Home / 10,874.80-16,306.62-5,319.76

Finding the Fourth Proportional to 10,874.80, 16,306.62 and 5,319.76

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Solution

The fourth proportional to 10,874.80, 16,306.62 and 5,319.76 is: 7,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.80 : 16,306.62 = 5,319.76 : x
  2. Step 2: Convert to fraction form
    10,874.80/16,306.62 = 5,319.76/x
  3. Step 3: Cross multiply
    10,874.80x = 16,306.62 × 5,319.76
  4. Step 4: Simplify right side
    10,874.80x = 86,747,304.81
  5. Step 5: Solve for x
    x = 86,747,304.81/10,874.80
  6. Step 6: Final answer
    x = 7,976.91

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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.