Home / 10,906.92-16,360.60-3,115.92

Finding the Fourth Proportional to 10,906.92, 16,360.60 and 3,115.92

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Solution

The fourth proportional to 10,906.92, 16,360.60 and 3,115.92 is: 4,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.92 : 16,360.60 = 3,115.92 : x
  2. Step 2: Convert to fraction form
    10,906.92/16,360.60 = 3,115.92/x
  3. Step 3: Cross multiply
    10,906.92x = 16,360.60 × 3,115.92
  4. Step 4: Simplify right side
    10,906.92x = 50,978,320.75
  5. Step 5: Solve for x
    x = 50,978,320.75/10,906.92
  6. Step 6: Final answer
    x = 4,673.94

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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.