Home / 10,001.31-15,000.41-3,425.99

Finding the Fourth Proportional to 10,001.31, 15,000.41 and 3,425.99

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Solution

The fourth proportional to 10,001.31, 15,000.41 and 3,425.99 is: 5,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.31 : 15,000.41 = 3,425.99 : x
  2. Step 2: Convert to fraction form
    10,001.31/15,000.41 = 3,425.99/x
  3. Step 3: Cross multiply
    10,001.31x = 15,000.41 × 3,425.99
  4. Step 4: Simplify right side
    10,001.31x = 51,391,162.52
  5. Step 5: Solve for x
    x = 51,391,162.52/10,001.31
  6. Step 6: Final answer
    x = 5,138.44

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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.