Home / 13,711.64-20,540.04-6,305.96

Finding the Fourth Proportional to 13,711.64, 20,540.04 and 6,305.96

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Solution

The fourth proportional to 13,711.64, 20,540.04 and 6,305.96 is: 9,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.64 : 20,540.04 = 6,305.96 : x
  2. Step 2: Convert to fraction form
    13,711.64/20,540.04 = 6,305.96/x
  3. Step 3: Cross multiply
    13,711.64x = 20,540.04 × 6,305.96
  4. Step 4: Simplify right side
    13,711.64x = 129,524,670.64
  5. Step 5: Solve for x
    x = 129,524,670.64/13,711.64
  6. Step 6: Final answer
    x = 9,446.33

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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.