Home / 13,351.29-19,976.04-8,286.27

Finding the Fourth Proportional to 13,351.29, 19,976.04 and 8,286.27

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Solution

The fourth proportional to 13,351.29, 19,976.04 and 8,286.27 is: 12,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.29 : 19,976.04 = 8,286.27 : x
  2. Step 2: Convert to fraction form
    13,351.29/19,976.04 = 8,286.27/x
  3. Step 3: Cross multiply
    13,351.29x = 19,976.04 × 8,286.27
  4. Step 4: Simplify right side
    13,351.29x = 165,526,860.97
  5. Step 5: Solve for x
    x = 165,526,860.97/13,351.29
  6. Step 6: Final answer
    x = 12,397.82

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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.