Home / 14,179.76-21,269.66-3,791.51

Finding the Fourth Proportional to 14,179.76, 21,269.66 and 3,791.51

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Solution

The fourth proportional to 14,179.76, 21,269.66 and 3,791.51 is: 5,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.76 : 21,269.66 = 3,791.51 : x
  2. Step 2: Convert to fraction form
    14,179.76/21,269.66 = 3,791.51/x
  3. Step 3: Cross multiply
    14,179.76x = 21,269.66 × 3,791.51
  4. Step 4: Simplify right side
    14,179.76x = 80,644,128.59
  5. Step 5: Solve for x
    x = 80,644,128.59/14,179.76
  6. Step 6: Final answer
    x = 5,687.27

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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.