Home / 9,149.78-13,715.15-4,463.39

Finding the Fourth Proportional to 9,149.78, 13,715.15 and 4,463.39

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Solution

The fourth proportional to 9,149.78, 13,715.15 and 4,463.39 is: 6,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.78 : 13,715.15 = 4,463.39 : x
  2. Step 2: Convert to fraction form
    9,149.78/13,715.15 = 4,463.39/x
  3. Step 3: Cross multiply
    9,149.78x = 13,715.15 × 4,463.39
  4. Step 4: Simplify right side
    9,149.78x = 61,215,972.47
  5. Step 5: Solve for x
    x = 61,215,972.47/9,149.78
  6. Step 6: Final answer
    x = 6,690.43

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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.