Home / 10,306.98-15,446.70-5,366.25

Finding the Fourth Proportional to 10,306.98, 15,446.70 and 5,366.25

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Solution

The fourth proportional to 10,306.98, 15,446.70 and 5,366.25 is: 8,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.98 : 15,446.70 = 5,366.25 : x
  2. Step 2: Convert to fraction form
    10,306.98/15,446.70 = 5,366.25/x
  3. Step 3: Cross multiply
    10,306.98x = 15,446.70 × 5,366.25
  4. Step 4: Simplify right side
    10,306.98x = 82,890,853.88
  5. Step 5: Solve for x
    x = 82,890,853.88/10,306.98
  6. Step 6: Final answer
    x = 8,042.21

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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.