Home / 21,251.99-31,882.55-6,462.11

Finding the Fourth Proportional to 21,251.99, 31,882.55 and 6,462.11

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Solution

The fourth proportional to 21,251.99, 31,882.55 and 6,462.11 is: 9,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251.99 : 31,882.55 = 6,462.11 : x
  2. Step 2: Convert to fraction form
    21,251.99/31,882.55 = 6,462.11/x
  3. Step 3: Cross multiply
    21,251.99x = 31,882.55 × 6,462.11
  4. Step 4: Simplify right side
    21,251.99x = 206,028,592.58
  5. Step 5: Solve for x
    x = 206,028,592.58/21,251.99
  6. Step 6: Final answer
    x = 9,694.55

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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.