IXL | Do the ratios form a proportion: word problems

Do these ratios form a proportion?

$10 for 7 visitors

$3 for 3 visitors

yes

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Learn with an example

Do these ratios form a proportion?

12 large skirts for every 10 medium skirts

6 large skirts for every 5 medium skirts

yes

A proportion is a statement that two ratios are equivalent to each other. Two ratios form a proportion if their cross products are equal.

Write the ratios as fractions.

and

Compare the two fractions to see if they are equivalent.

12 × 5

10 × 6

Multiply both sides by 10 × 5

Simplify

The cross products are equal, so the ratios form a proportion.

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