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Finding the Fourth Proportional to 10,432.70, 14,399.02 and 6,657.04

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Solution

The fourth proportional to 10,432.70, 14,399.02 and 6,657.04 is: 9,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.70 : 14,399.02 = 6,657.04 : x
  2. Step 2: Convert to fraction form
    10,432.70/14,399.02 = 6,657.04/x
  3. Step 3: Cross multiply
    10,432.70x = 14,399.02 × 6,657.04
  4. Step 4: Simplify right side
    10,432.70x = 95,854,852.10
  5. Step 5: Solve for x
    x = 95,854,852.10/10,432.70
  6. Step 6: Final answer
    x = 9,187.92

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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.