Home / 19,755.38-29,597.18-11,417.78

Finding the Fourth Proportional to 19,755.38, 29,597.18 and 11,417.78

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Solution

The fourth proportional to 19,755.38, 29,597.18 and 11,417.78 is: 17,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.38 : 29,597.18 = 11,417.78 : x
  2. Step 2: Convert to fraction form
    19,755.38/29,597.18 = 11,417.78/x
  3. Step 3: Cross multiply
    19,755.38x = 29,597.18 × 11,417.78
  4. Step 4: Simplify right side
    19,755.38x = 337,934,149.58
  5. Step 5: Solve for x
    x = 337,934,149.58/19,755.38
  6. Step 6: Final answer
    x = 17,105.93

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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.