Home / 11,112.92-16,672.09-3,321.73

Finding the Fourth Proportional to 11,112.92, 16,672.09 and 3,321.73

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Solution

The fourth proportional to 11,112.92, 16,672.09 and 3,321.73 is: 4,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.92 : 16,672.09 = 3,321.73 : x
  2. Step 2: Convert to fraction form
    11,112.92/16,672.09 = 3,321.73/x
  3. Step 3: Cross multiply
    11,112.92x = 16,672.09 × 3,321.73
  4. Step 4: Simplify right side
    11,112.92x = 55,380,181.52
  5. Step 5: Solve for x
    x = 55,380,181.52/11,112.92
  6. Step 6: Final answer
    x = 4,983.41

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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.