Home / 8,356.14-12,538.30-5,906.70

Finding the Fourth Proportional to 8,356.14, 12,538.30 and 5,906.70

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Solution

The fourth proportional to 8,356.14, 12,538.30 and 5,906.70 is: 8,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.14 : 12,538.30 = 5,906.70 : x
  2. Step 2: Convert to fraction form
    8,356.14/12,538.30 = 5,906.70/x
  3. Step 3: Cross multiply
    8,356.14x = 12,538.30 × 5,906.70
  4. Step 4: Simplify right side
    8,356.14x = 74,059,976.61
  5. Step 5: Solve for x
    x = 74,059,976.61/8,356.14
  6. Step 6: Final answer
    x = 8,862.94

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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.