Home / 11,609.32-17,418.30-5,449

Finding the Fourth Proportional to 11,609.32, 17,418.30 and 5,449

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Solution

The fourth proportional to 11,609.32, 17,418.30 and 5,449 is: 8,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.32 : 17,418.30 = 5,449 : x
  2. Step 2: Convert to fraction form
    11,609.32/17,418.30 = 5,449/x
  3. Step 3: Cross multiply
    11,609.32x = 17,418.30 × 5,449
  4. Step 4: Simplify right side
    11,609.32x = 94,912,316.70
  5. Step 5: Solve for x
    x = 94,912,316.70/11,609.32
  6. Step 6: Final answer
    x = 8,175.53

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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.