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Finding the Fourth Proportional to 10,230, 15,345 and 3,304.52

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Solution

The fourth proportional to 10,230, 15,345 and 3,304.52 is: 4,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230 : 15,345 = 3,304.52 : x
  2. Step 2: Convert to fraction form
    10,230/15,345 = 3,304.52/x
  3. Step 3: Cross multiply
    10,230x = 15,345 × 3,304.52
  4. Step 4: Simplify right side
    10,230x = 50,707,859.40
  5. Step 5: Solve for x
    x = 50,707,859.40/10,230
  6. Step 6: Final answer
    x = 4,956.78

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Double scale
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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.