Solving Proportions With Word Problems

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

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To solve a proportion, cross-multiply the terms and then solve for the variable.

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What does cross-multiplication mean?

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Cross-multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio.

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How can you set up a proportion from a word problem?

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Identify the two ratios in the problem and set them equal to each other.

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Carol practices culinary skills for 17 hours in 2 weeks. How do you find her practice time in 5 weeks?

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What is the answer to Carol's practice time in 5 weeks?

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The answer is 42.5 hours.

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What is the formula for finding a missing value in a proportion?

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