Home / 9,372.30-12,932.62-5,180.55

Finding the Fourth Proportional to 9,372.30, 12,932.62 and 5,180.55

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Solution

The fourth proportional to 9,372.30, 12,932.62 and 5,180.55 is: 7,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.30 : 12,932.62 = 5,180.55 : x
  2. Step 2: Convert to fraction form
    9,372.30/12,932.62 = 5,180.55/x
  3. Step 3: Cross multiply
    9,372.30x = 12,932.62 × 5,180.55
  4. Step 4: Simplify right side
    9,372.30x = 66,998,084.54
  5. Step 5: Solve for x
    x = 66,998,084.54/9,372.30
  6. Step 6: Final answer
    x = 7,148.52

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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.