Home / 10,338.76-15,508.23-2,943.21

Finding the Fourth Proportional to 10,338.76, 15,508.23 and 2,943.21

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Solution

The fourth proportional to 10,338.76, 15,508.23 and 2,943.21 is: 4,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.76 : 15,508.23 = 2,943.21 : x
  2. Step 2: Convert to fraction form
    10,338.76/15,508.23 = 2,943.21/x
  3. Step 3: Cross multiply
    10,338.76x = 15,508.23 × 2,943.21
  4. Step 4: Simplify right side
    10,338.76x = 45,644,035.77
  5. Step 5: Solve for x
    x = 45,644,035.77/10,338.76
  6. Step 6: Final answer
    x = 4,414.85

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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.