Home / 14,179.31-21,267.33-3,791.87

Finding the Fourth Proportional to 14,179.31, 21,267.33 and 3,791.87

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Solution

The fourth proportional to 14,179.31, 21,267.33 and 3,791.87 is: 5,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.31 : 21,267.33 = 3,791.87 : x
  2. Step 2: Convert to fraction form
    14,179.31/21,267.33 = 3,791.87/x
  3. Step 3: Cross multiply
    14,179.31x = 21,267.33 × 3,791.87
  4. Step 4: Simplify right side
    14,179.31x = 80,642,844.27
  5. Step 5: Solve for x
    x = 80,642,844.27/14,179.31
  6. Step 6: Final answer
    x = 5,687.36

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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.