Home / 14,517.28-20,034.32-8,229.92

Finding the Fourth Proportional to 14,517.28, 20,034.32 and 8,229.92

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Solution

The fourth proportional to 14,517.28, 20,034.32 and 8,229.92 is: 11,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.28 : 20,034.32 = 8,229.92 : x
  2. Step 2: Convert to fraction form
    14,517.28/20,034.32 = 8,229.92/x
  3. Step 3: Cross multiply
    14,517.28x = 20,034.32 × 8,229.92
  4. Step 4: Simplify right side
    14,517.28x = 164,880,850.85
  5. Step 5: Solve for x
    x = 164,880,850.85/14,517.28
  6. Step 6: Final answer
    x = 11,357.56

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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.