Home / 10,432.15-14,387.99-9,170.53

Finding the Fourth Proportional to 10,432.15, 14,387.99 and 9,170.53

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Solution

The fourth proportional to 10,432.15, 14,387.99 and 9,170.53 is: 12,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.15 : 14,387.99 = 9,170.53 : x
  2. Step 2: Convert to fraction form
    10,432.15/14,387.99 = 9,170.53/x
  3. Step 3: Cross multiply
    10,432.15x = 14,387.99 × 9,170.53
  4. Step 4: Simplify right side
    10,432.15x = 131,945,444.92
  5. Step 5: Solve for x
    x = 131,945,444.92/10,432.15
  6. Step 6: Final answer
    x = 12,647.96

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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.