Home / 11,517.68-17,250.99-9,401.15

Finding the Fourth Proportional to 11,517.68, 17,250.99 and 9,401.15

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Solution

The fourth proportional to 11,517.68, 17,250.99 and 9,401.15 is: 14,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.68 : 17,250.99 = 9,401.15 : x
  2. Step 2: Convert to fraction form
    11,517.68/17,250.99 = 9,401.15/x
  3. Step 3: Cross multiply
    11,517.68x = 17,250.99 × 9,401.15
  4. Step 4: Simplify right side
    11,517.68x = 162,179,058.38
  5. Step 5: Solve for x
    x = 162,179,058.38/11,517.68
  6. Step 6: Final answer
    x = 14,080.89

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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.