Home / 11,391.22-17,086.38-3,997.36

Finding the Fourth Proportional to 11,391.22, 17,086.38 and 3,997.36

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Solution

The fourth proportional to 11,391.22, 17,086.38 and 3,997.36 is: 5,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.22 : 17,086.38 = 3,997.36 : x
  2. Step 2: Convert to fraction form
    11,391.22/17,086.38 = 3,997.36/x
  3. Step 3: Cross multiply
    11,391.22x = 17,086.38 × 3,997.36
  4. Step 4: Simplify right side
    11,391.22x = 68,300,411.96
  5. Step 5: Solve for x
    x = 68,300,411.96/11,391.22
  6. Step 6: Final answer
    x = 5,995.88

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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.