Home / 10,397.11-14,363.19-8,997.43

Finding the Fourth Proportional to 10,397.11, 14,363.19 and 8,997.43

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Solution

The fourth proportional to 10,397.11, 14,363.19 and 8,997.43 is: 12,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.11 : 14,363.19 = 8,997.43 : x
  2. Step 2: Convert to fraction form
    10,397.11/14,363.19 = 8,997.43/x
  3. Step 3: Cross multiply
    10,397.11x = 14,363.19 × 8,997.43
  4. Step 4: Simplify right side
    10,397.11x = 129,231,796.60
  5. Step 5: Solve for x
    x = 129,231,796.60/10,397.11
  6. Step 6: Final answer
    x = 12,429.59

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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.