Home / 13,517.19-20,248.92-8,245.71

Finding the Fourth Proportional to 13,517.19, 20,248.92 and 8,245.71

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Solution

The fourth proportional to 13,517.19, 20,248.92 and 8,245.71 is: 12,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.19 : 20,248.92 = 8,245.71 : x
  2. Step 2: Convert to fraction form
    13,517.19/20,248.92 = 8,245.71/x
  3. Step 3: Cross multiply
    13,517.19x = 20,248.92 × 8,245.71
  4. Step 4: Simplify right side
    13,517.19x = 166,966,722.13
  5. Step 5: Solve for x
    x = 166,966,722.13/13,517.19
  6. Step 6: Final answer
    x = 12,352.18

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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.