Home / 10,691.21-14,753.90-5,975.49

Finding the Fourth Proportional to 10,691.21, 14,753.90 and 5,975.49

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Solution

The fourth proportional to 10,691.21, 14,753.90 and 5,975.49 is: 8,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.21 : 14,753.90 = 5,975.49 : x
  2. Step 2: Convert to fraction form
    10,691.21/14,753.90 = 5,975.49/x
  3. Step 3: Cross multiply
    10,691.21x = 14,753.90 × 5,975.49
  4. Step 4: Simplify right side
    10,691.21x = 88,161,781.91
  5. Step 5: Solve for x
    x = 88,161,781.91/10,691.21
  6. Step 6: Final answer
    x = 8,246.19

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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.