Home / 10,868.92-16,295.40-3,469.12

Finding the Fourth Proportional to 10,868.92, 16,295.40 and 3,469.12

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Solution

The fourth proportional to 10,868.92, 16,295.40 and 3,469.12 is: 5,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.92 : 16,295.40 = 3,469.12 : x
  2. Step 2: Convert to fraction form
    10,868.92/16,295.40 = 3,469.12/x
  3. Step 3: Cross multiply
    10,868.92x = 16,295.40 × 3,469.12
  4. Step 4: Simplify right side
    10,868.92x = 56,530,698.05
  5. Step 5: Solve for x
    x = 56,530,698.05/10,868.92
  6. Step 6: Final answer
    x = 5,201.13

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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.