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Finding the Fourth Proportional to 10,001.53, 15,002.30 and 2,605.97

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Solution

The fourth proportional to 10,001.53, 15,002.30 and 2,605.97 is: 3,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.53 : 15,002.30 = 2,605.97 : x
  2. Step 2: Convert to fraction form
    10,001.53/15,002.30 = 2,605.97/x
  3. Step 3: Cross multiply
    10,001.53x = 15,002.30 × 2,605.97
  4. Step 4: Simplify right side
    10,001.53x = 39,095,543.73
  5. Step 5: Solve for x
    x = 39,095,543.73/10,001.53
  6. Step 6: Final answer
    x = 3,908.96

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1.5x scale

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.