Home / 17,781.72-24,537.11-11,397.03

Finding the Fourth Proportional to 17,781.72, 24,537.11 and 11,397.03

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Solution

The fourth proportional to 17,781.72, 24,537.11 and 11,397.03 is: 15,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.72 : 24,537.11 = 11,397.03 : x
  2. Step 2: Convert to fraction form
    17,781.72/24,537.11 = 11,397.03/x
  3. Step 3: Cross multiply
    17,781.72x = 24,537.11 × 11,397.03
  4. Step 4: Simplify right side
    17,781.72x = 279,650,121.80
  5. Step 5: Solve for x
    x = 279,650,121.80/17,781.72
  6. Step 6: Final answer
    x = 15,726.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.