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Finding the Fourth Proportional to 16,380.28, 24,541.04 and 9,957.20

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Solution

The fourth proportional to 16,380.28, 24,541.04 and 9,957.20 is: 14,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.28 : 24,541.04 = 9,957.20 : x
  2. Step 2: Convert to fraction form
    16,380.28/24,541.04 = 9,957.20/x
  3. Step 3: Cross multiply
    16,380.28x = 24,541.04 × 9,957.20
  4. Step 4: Simplify right side
    16,380.28x = 244,360,043.49
  5. Step 5: Solve for x
    x = 244,360,043.49/16,380.28
  6. Step 6: Final answer
    x = 14,917.94

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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.