Home / 12,556.98-18,834.92-3,791.63

Finding the Fourth Proportional to 12,556.98, 18,834.92 and 3,791.63

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Solution

The fourth proportional to 12,556.98, 18,834.92 and 3,791.63 is: 5,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.98 : 18,834.92 = 3,791.63 : x
  2. Step 2: Convert to fraction form
    12,556.98/18,834.92 = 3,791.63/x
  3. Step 3: Cross multiply
    12,556.98x = 18,834.92 × 3,791.63
  4. Step 4: Simplify right side
    12,556.98x = 71,414,934.59
  5. Step 5: Solve for x
    x = 71,414,934.59/12,556.98
  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.