Home / 12,557.01-18,835.03-3,791.69

Finding the Fourth Proportional to 12,557.01, 18,835.03 and 3,791.69

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Solution

The fourth proportional to 12,557.01, 18,835.03 and 3,791.69 is: 5,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.01 : 18,835.03 = 3,791.69 : x
  2. Step 2: Convert to fraction form
    12,557.01/18,835.03 = 3,791.69/x
  3. Step 3: Cross multiply
    12,557.01x = 18,835.03 × 3,791.69
  4. Step 4: Simplify right side
    12,557.01x = 71,416,594.90
  5. Step 5: Solve for x
    x = 71,416,594.90/12,557.01
  6. Step 6: Final answer
    x = 5,687.39

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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.