Home / 11,891.38-17,824.62-7,734.26

Finding the Fourth Proportional to 11,891.38, 17,824.62 and 7,734.26

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Solution

The fourth proportional to 11,891.38, 17,824.62 and 7,734.26 is: 11,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.38 : 17,824.62 = 7,734.26 : x
  2. Step 2: Convert to fraction form
    11,891.38/17,824.62 = 7,734.26/x
  3. Step 3: Cross multiply
    11,891.38x = 17,824.62 × 7,734.26
  4. Step 4: Simplify right side
    11,891.38x = 137,860,245.48
  5. Step 5: Solve for x
    x = 137,860,245.48/11,891.38
  6. Step 6: Final answer
    x = 11,593.29

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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.