Home / 9,372.38-12,934.49-5,180.63

Finding the Fourth Proportional to 9,372.38, 12,934.49 and 5,180.63

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Solution

The fourth proportional to 9,372.38, 12,934.49 and 5,180.63 is: 7,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.38 : 12,934.49 = 5,180.63 : x
  2. Step 2: Convert to fraction form
    9,372.38/12,934.49 = 5,180.63/x
  3. Step 3: Cross multiply
    9,372.38x = 12,934.49 × 5,180.63
  4. Step 4: Simplify right side
    9,372.38x = 67,008,716.35
  5. Step 5: Solve for x
    x = 67,008,716.35/9,372.38
  6. Step 6: Final answer
    x = 7,149.60

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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.