Home / 13,584.64-20,377.11-3,723.92

Finding the Fourth Proportional to 13,584.64, 20,377.11 and 3,723.92

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Solution

The fourth proportional to 13,584.64, 20,377.11 and 3,723.92 is: 5,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.64 : 20,377.11 = 3,723.92 : x
  2. Step 2: Convert to fraction form
    13,584.64/20,377.11 = 3,723.92/x
  3. Step 3: Cross multiply
    13,584.64x = 20,377.11 × 3,723.92
  4. Step 4: Simplify right side
    13,584.64x = 75,882,734.32
  5. Step 5: Solve for x
    x = 75,882,734.32/13,584.64
  6. Step 6: Final answer
    x = 5,585.92

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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.