Home / 11,120.97-16,679.15-4,099.17

Finding the Fourth Proportional to 11,120.97, 16,679.15 and 4,099.17

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Solution

The fourth proportional to 11,120.97, 16,679.15 and 4,099.17 is: 6,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.97 : 16,679.15 = 4,099.17 : x
  2. Step 2: Convert to fraction form
    11,120.97/16,679.15 = 4,099.17/x
  3. Step 3: Cross multiply
    11,120.97x = 16,679.15 × 4,099.17
  4. Step 4: Simplify right side
    11,120.97x = 68,370,671.31
  5. Step 5: Solve for x
    x = 68,370,671.31/11,120.97
  6. Step 6: Final answer
    x = 6,147.91

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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.