Home / 11,556.89-17,335.38-2,791.79

Finding the Fourth Proportional to 11,556.89, 17,335.38 and 2,791.79

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Solution

The fourth proportional to 11,556.89, 17,335.38 and 2,791.79 is: 4,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.89 : 17,335.38 = 2,791.79 : x
  2. Step 2: Convert to fraction form
    11,556.89/17,335.38 = 2,791.79/x
  3. Step 3: Cross multiply
    11,556.89x = 17,335.38 × 2,791.79
  4. Step 4: Simplify right side
    11,556.89x = 48,396,740.53
  5. Step 5: Solve for x
    x = 48,396,740.53/11,556.89
  6. Step 6: Final answer
    x = 4,187.70

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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.