Home / 10,204.29-15,306.52-2,809.16

Finding the Fourth Proportional to 10,204.29, 15,306.52 and 2,809.16

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Solution

The fourth proportional to 10,204.29, 15,306.52 and 2,809.16 is: 4,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.29 : 15,306.52 = 2,809.16 : x
  2. Step 2: Convert to fraction form
    10,204.29/15,306.52 = 2,809.16/x
  3. Step 3: Cross multiply
    10,204.29x = 15,306.52 × 2,809.16
  4. Step 4: Simplify right side
    10,204.29x = 42,998,463.72
  5. Step 5: Solve for x
    x = 42,998,463.72/10,204.29
  6. Step 6: Final answer
    x = 4,213.76

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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.