Home / 8,753.11-13,129.38-5,043.85

Finding the Fourth Proportional to 8,753.11, 13,129.38 and 5,043.85

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Solution

The fourth proportional to 8,753.11, 13,129.38 and 5,043.85 is: 7,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.11 : 13,129.38 = 5,043.85 : x
  2. Step 2: Convert to fraction form
    8,753.11/13,129.38 = 5,043.85/x
  3. Step 3: Cross multiply
    8,753.11x = 13,129.38 × 5,043.85
  4. Step 4: Simplify right side
    8,753.11x = 66,222,623.31
  5. Step 5: Solve for x
    x = 66,222,623.31/8,753.11
  6. Step 6: Final answer
    x = 7,565.61

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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.