Home / 13,712.64-20,541.54-6,306.96

Finding the Fourth Proportional to 13,712.64, 20,541.54 and 6,306.96

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Solution

The fourth proportional to 13,712.64, 20,541.54 and 6,306.96 is: 9,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.64 : 20,541.54 = 6,306.96 : x
  2. Step 2: Convert to fraction form
    13,712.64/20,541.54 = 6,306.96/x
  3. Step 3: Cross multiply
    13,712.64x = 20,541.54 × 6,306.96
  4. Step 4: Simplify right side
    13,712.64x = 129,554,671.12
  5. Step 5: Solve for x
    x = 129,554,671.12/13,712.64
  6. Step 6: Final answer
    x = 9,447.83

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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.