Home / 10,001.27-15,001.92-2,605.73

Finding the Fourth Proportional to 10,001.27, 15,001.92 and 2,605.73

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Solution

The fourth proportional to 10,001.27, 15,001.92 and 2,605.73 is: 3,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.27 : 15,001.92 = 2,605.73 : x
  2. Step 2: Convert to fraction form
    10,001.27/15,001.92 = 2,605.73/x
  3. Step 3: Cross multiply
    10,001.27x = 15,001.92 × 2,605.73
  4. Step 4: Simplify right side
    10,001.27x = 39,090,877.99
  5. Step 5: Solve for x
    x = 39,090,877.99/10,001.27
  6. Step 6: Final answer
    x = 3,908.59

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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.