Home / 13,689.44-20,534.17-3,301.19

Finding the Fourth Proportional to 13,689.44, 20,534.17 and 3,301.19

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Solution

The fourth proportional to 13,689.44, 20,534.17 and 3,301.19 is: 4,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689.44 : 20,534.17 = 3,301.19 : x
  2. Step 2: Convert to fraction form
    13,689.44/20,534.17 = 3,301.19/x
  3. Step 3: Cross multiply
    13,689.44x = 20,534.17 × 3,301.19
  4. Step 4: Simplify right side
    13,689.44x = 67,787,098.12
  5. Step 5: Solve for x
    x = 67,787,098.12/13,689.44
  6. Step 6: Final answer
    x = 4,951.78

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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.