Home / 10,687.80-16,032.06-3,292.20

Finding the Fourth Proportional to 10,687.80, 16,032.06 and 3,292.20

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Solution

The fourth proportional to 10,687.80, 16,032.06 and 3,292.20 is: 4,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.80 : 16,032.06 = 3,292.20 : x
  2. Step 2: Convert to fraction form
    10,687.80/16,032.06 = 3,292.20/x
  3. Step 3: Cross multiply
    10,687.80x = 16,032.06 × 3,292.20
  4. Step 4: Simplify right side
    10,687.80x = 52,780,747.93
  5. Step 5: Solve for x
    x = 52,780,747.93/10,687.80
  6. Step 6: Final answer
    x = 4,938.41

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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.