Home / 17,154.20-25,731.30-13,266.20

Finding the Fourth Proportional to 17,154.20, 25,731.30 and 13,266.20

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Solution

The fourth proportional to 17,154.20, 25,731.30 and 13,266.20 is: 19,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.20 : 25,731.30 = 13,266.20 : x
  2. Step 2: Convert to fraction form
    17,154.20/25,731.30 = 13,266.20/x
  3. Step 3: Cross multiply
    17,154.20x = 25,731.30 × 13,266.20
  4. Step 4: Simplify right side
    17,154.20x = 341,356,572.06
  5. Step 5: Solve for x
    x = 341,356,572.06/17,154.20
  6. Step 6: Final answer
    x = 19,899.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.