Home / 11,757.12-17,637.20-3,856.92

Finding the Fourth Proportional to 11,757.12, 17,637.20 and 3,856.92

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Solution

The fourth proportional to 11,757.12, 17,637.20 and 3,856.92 is: 5,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.12 : 17,637.20 = 3,856.92 : x
  2. Step 2: Convert to fraction form
    11,757.12/17,637.20 = 3,856.92/x
  3. Step 3: Cross multiply
    11,757.12x = 17,637.20 × 3,856.92
  4. Step 4: Simplify right side
    11,757.12x = 68,025,269.42
  5. Step 5: Solve for x
    x = 68,025,269.42/11,757.12
  6. Step 6: Final answer
    x = 5,785.88

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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.