Home / 11,949.12-17,920.44-5,022

Finding the Fourth Proportional to 11,949.12, 17,920.44 and 5,022

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Solution

The fourth proportional to 11,949.12, 17,920.44 and 5,022 is: 7,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.12 : 17,920.44 = 5,022 : x
  2. Step 2: Convert to fraction form
    11,949.12/17,920.44 = 5,022/x
  3. Step 3: Cross multiply
    11,949.12x = 17,920.44 × 5,022
  4. Step 4: Simplify right side
    11,949.12x = 89,996,449.68
  5. Step 5: Solve for x
    x = 89,996,449.68/11,949.12
  6. Step 6: Final answer
    x = 7,531.64

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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.