Home / 20,944.20-31,414.76-6,154.28

Finding the Fourth Proportional to 20,944.20, 31,414.76 and 6,154.28

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Solution

The fourth proportional to 20,944.20, 31,414.76 and 6,154.28 is: 9,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.20 : 31,414.76 = 6,154.28 : x
  2. Step 2: Convert to fraction form
    20,944.20/31,414.76 = 6,154.28/x
  3. Step 3: Cross multiply
    20,944.20x = 31,414.76 × 6,154.28
  4. Step 4: Simplify right side
    20,944.20x = 193,335,229.17
  5. Step 5: Solve for x
    x = 193,335,229.17/20,944.20
  6. Step 6: Final answer
    x = 9,230.97

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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.