Home / 14,755.20-22,008.24-12,387.60

Finding the Fourth Proportional to 14,755.20, 22,008.24 and 12,387.60

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Solution

The fourth proportional to 14,755.20, 22,008.24 and 12,387.60 is: 18,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.20 : 22,008.24 = 12,387.60 : x
  2. Step 2: Convert to fraction form
    14,755.20/22,008.24 = 12,387.60/x
  3. Step 3: Cross multiply
    14,755.20x = 22,008.24 × 12,387.60
  4. Step 4: Simplify right side
    14,755.20x = 272,629,273.82
  5. Step 5: Solve for x
    x = 272,629,273.82/14,755.20
  6. Step 6: Final answer
    x = 18,476.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.