Home / 9,987.97-14,984.61-3,414.15

Finding the Fourth Proportional to 9,987.97, 14,984.61 and 3,414.15

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Solution

The fourth proportional to 9,987.97, 14,984.61 and 3,414.15 is: 5,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.97 : 14,984.61 = 3,414.15 : x
  2. Step 2: Convert to fraction form
    9,987.97/14,984.61 = 3,414.15/x
  3. Step 3: Cross multiply
    9,987.97x = 14,984.61 × 3,414.15
  4. Step 4: Simplify right side
    9,987.97x = 51,159,706.23
  5. Step 5: Solve for x
    x = 51,159,706.23/9,987.97
  6. Step 6: Final answer
    x = 5,122.13

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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.