Home / 12,517.34-18,821.03-11,542.07

Finding the Fourth Proportional to 12,517.34, 18,821.03 and 11,542.07

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Solution

The fourth proportional to 12,517.34, 18,821.03 and 11,542.07 is: 17,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.34 : 18,821.03 = 11,542.07 : x
  2. Step 2: Convert to fraction form
    12,517.34/18,821.03 = 11,542.07/x
  3. Step 3: Cross multiply
    12,517.34x = 18,821.03 × 11,542.07
  4. Step 4: Simplify right side
    12,517.34x = 217,233,635.07
  5. Step 5: Solve for x
    x = 217,233,635.07/12,517.34
  6. Step 6: Final answer
    x = 17,354.62

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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.