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Finding the Fourth Proportional to 10,652.40, 16,007.40 and 9,385.20

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Solution

The fourth proportional to 10,652.40, 16,007.40 and 9,385.20 is: 14,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.40 : 16,007.40 = 9,385.20 : x
  2. Step 2: Convert to fraction form
    10,652.40/16,007.40 = 9,385.20/x
  3. Step 3: Cross multiply
    10,652.40x = 16,007.40 × 9,385.20
  4. Step 4: Simplify right side
    10,652.40x = 150,232,650.48
  5. Step 5: Solve for x
    x = 150,232,650.48/10,652.40
  6. Step 6: Final answer
    x = 14,103.17

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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.