Home / 11,414.10-17,121.15-7,893.03

Finding the Fourth Proportional to 11,414.10, 17,121.15 and 7,893.03

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Solution

The fourth proportional to 11,414.10, 17,121.15 and 7,893.03 is: 11,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.10 : 17,121.15 = 7,893.03 : x
  2. Step 2: Convert to fraction form
    11,414.10/17,121.15 = 7,893.03/x
  3. Step 3: Cross multiply
    11,414.10x = 17,121.15 × 7,893.03
  4. Step 4: Simplify right side
    11,414.10x = 135,137,750.58
  5. Step 5: Solve for x
    x = 135,137,750.58/11,414.10
  6. Step 6: Final answer
    x = 11,839.55

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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.