Home / 15,001.38-22,499.49-5,511.78

Finding the Fourth Proportional to 15,001.38, 22,499.49 and 5,511.78

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Solution

The fourth proportional to 15,001.38, 22,499.49 and 5,511.78 is: 8,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.38 : 22,499.49 = 5,511.78 : x
  2. Step 2: Convert to fraction form
    15,001.38/22,499.49 = 5,511.78/x
  3. Step 3: Cross multiply
    15,001.38x = 22,499.49 × 5,511.78
  4. Step 4: Simplify right side
    15,001.38x = 124,012,238.99
  5. Step 5: Solve for x
    x = 124,012,238.99/15,001.38
  6. Step 6: Final answer
    x = 8,266.72

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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.