Home / 10,945.44-16,418.25-3,549.90

Finding the Fourth Proportional to 10,945.44, 16,418.25 and 3,549.90

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Solution

The fourth proportional to 10,945.44, 16,418.25 and 3,549.90 is: 5,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.44 : 16,418.25 = 3,549.90 : x
  2. Step 2: Convert to fraction form
    10,945.44/16,418.25 = 3,549.90/x
  3. Step 3: Cross multiply
    10,945.44x = 16,418.25 × 3,549.90
  4. Step 4: Simplify right side
    10,945.44x = 58,283,145.68
  5. Step 5: Solve for x
    x = 58,283,145.68/10,945.44
  6. Step 6: Final answer
    x = 5,324.88

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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.