Home / 22,781.20-34,151.54-12,256.88

Finding the Fourth Proportional to 22,781.20, 34,151.54 and 12,256.88

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Solution

The fourth proportional to 22,781.20, 34,151.54 and 12,256.88 is: 18,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.20 : 34,151.54 = 12,256.88 : x
  2. Step 2: Convert to fraction form
    22,781.20/34,151.54 = 12,256.88/x
  3. Step 3: Cross multiply
    22,781.20x = 34,151.54 × 12,256.88
  4. Step 4: Simplify right side
    22,781.20x = 418,591,327.60
  5. Step 5: Solve for x
    x = 418,591,327.60/22,781.20
  6. Step 6: Final answer
    x = 18,374.42

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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.