Home / 11,556.96-17,335.56-2,791.92

Finding the Fourth Proportional to 11,556.96, 17,335.56 and 2,791.92

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Solution

The fourth proportional to 11,556.96, 17,335.56 and 2,791.92 is: 4,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.96 : 17,335.56 = 2,791.92 : x
  2. Step 2: Convert to fraction form
    11,556.96/17,335.56 = 2,791.92/x
  3. Step 3: Cross multiply
    11,556.96x = 17,335.56 × 2,791.92
  4. Step 4: Simplify right side
    11,556.96x = 48,399,496.68
  5. Step 5: Solve for x
    x = 48,399,496.68/11,556.96
  6. Step 6: Final answer
    x = 4,187.91

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1.5x scale

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.