Home / 10,687.55-16,034.49-3,291.84

Finding the Fourth Proportional to 10,687.55, 16,034.49 and 3,291.84

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Solution

The fourth proportional to 10,687.55, 16,034.49 and 3,291.84 is: 4,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.55 : 16,034.49 = 3,291.84 : x
  2. Step 2: Convert to fraction form
    10,687.55/16,034.49 = 3,291.84/x
  3. Step 3: Cross multiply
    10,687.55x = 16,034.49 × 3,291.84
  4. Step 4: Simplify right side
    10,687.55x = 52,782,975.56
  5. Step 5: Solve for x
    x = 52,782,975.56/10,687.55
  6. Step 6: Final answer
    x = 4,938.74

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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.