Home / 10,986.56-16,480.76-3,195.36

Finding the Fourth Proportional to 10,986.56, 16,480.76 and 3,195.36

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Solution

The fourth proportional to 10,986.56, 16,480.76 and 3,195.36 is: 4,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.56 : 16,480.76 = 3,195.36 : x
  2. Step 2: Convert to fraction form
    10,986.56/16,480.76 = 3,195.36/x
  3. Step 3: Cross multiply
    10,986.56x = 16,480.76 × 3,195.36
  4. Step 4: Simplify right side
    10,986.56x = 52,661,961.27
  5. Step 5: Solve for x
    x = 52,661,961.27/10,986.56
  6. Step 6: Final answer
    x = 4,793.31

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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.