Home / 10,963.38-16,437.84-3,939.87

Finding the Fourth Proportional to 10,963.38, 16,437.84 and 3,939.87

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Solution

The fourth proportional to 10,963.38, 16,437.84 and 3,939.87 is: 5,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.38 : 16,437.84 = 3,939.87 : x
  2. Step 2: Convert to fraction form
    10,963.38/16,437.84 = 3,939.87/x
  3. Step 3: Cross multiply
    10,963.38x = 16,437.84 × 3,939.87
  4. Step 4: Simplify right side
    10,963.38x = 64,762,952.68
  5. Step 5: Solve for x
    x = 64,762,952.68/10,963.38
  6. Step 6: Final answer
    x = 5,907.21

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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.