Home / 11,388.28-17,084.04-3,991.04

Finding the Fourth Proportional to 11,388.28, 17,084.04 and 3,991.04

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Solution

The fourth proportional to 11,388.28, 17,084.04 and 3,991.04 is: 5,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.28 : 17,084.04 = 3,991.04 : x
  2. Step 2: Convert to fraction form
    11,388.28/17,084.04 = 3,991.04/x
  3. Step 3: Cross multiply
    11,388.28x = 17,084.04 × 3,991.04
  4. Step 4: Simplify right side
    11,388.28x = 68,183,087.00
  5. Step 5: Solve for x
    x = 68,183,087.00/11,388.28
  6. Step 6: Final answer
    x = 5,987.13

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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.