Home / 13,471.43-20,217.69-9,340.43

Finding the Fourth Proportional to 13,471.43, 20,217.69 and 9,340.43

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Solution

The fourth proportional to 13,471.43, 20,217.69 and 9,340.43 is: 14,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.43 : 20,217.69 = 9,340.43 : x
  2. Step 2: Convert to fraction form
    13,471.43/20,217.69 = 9,340.43/x
  3. Step 3: Cross multiply
    13,471.43x = 20,217.69 × 9,340.43
  4. Step 4: Simplify right side
    13,471.43x = 188,841,817.12
  5. Step 5: Solve for x
    x = 188,841,817.12/13,471.43
  6. Step 6: Final answer
    x = 14,017.95

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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.