Home / 11,747.43-17,618.49-3,425.64

Finding the Fourth Proportional to 11,747.43, 17,618.49 and 3,425.64

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Solution

The fourth proportional to 11,747.43, 17,618.49 and 3,425.64 is: 5,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.43 : 17,618.49 = 3,425.64 : x
  2. Step 2: Convert to fraction form
    11,747.43/17,618.49 = 3,425.64/x
  3. Step 3: Cross multiply
    11,747.43x = 17,618.49 × 3,425.64
  4. Step 4: Simplify right side
    11,747.43x = 60,354,604.08
  5. Step 5: Solve for x
    x = 60,354,604.08/11,747.43
  6. Step 6: Final answer
    x = 5,137.69

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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.