Home / 18,151.08-27,208.38-11,584.68

Finding the Fourth Proportional to 18,151.08, 27,208.38 and 11,584.68

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Solution

The fourth proportional to 18,151.08, 27,208.38 and 11,584.68 is: 17,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.08 : 27,208.38 = 11,584.68 : x
  2. Step 2: Convert to fraction form
    18,151.08/27,208.38 = 11,584.68/x
  3. Step 3: Cross multiply
    18,151.08x = 27,208.38 × 11,584.68
  4. Step 4: Simplify right side
    18,151.08x = 315,200,375.62
  5. Step 5: Solve for x
    x = 315,200,375.62/18,151.08
  6. Step 6: Final answer
    x = 17,365.38

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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.