Home / 18,608.49-27,899.37-6,121.53

Finding the Fourth Proportional to 18,608.49, 27,899.37 and 6,121.53

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Solution

The fourth proportional to 18,608.49, 27,899.37 and 6,121.53 is: 9,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.49 : 27,899.37 = 6,121.53 : x
  2. Step 2: Convert to fraction form
    18,608.49/27,899.37 = 6,121.53/x
  3. Step 3: Cross multiply
    18,608.49x = 27,899.37 × 6,121.53
  4. Step 4: Simplify right side
    18,608.49x = 170,786,830.44
  5. Step 5: Solve for x
    x = 170,786,830.44/18,608.49
  6. Step 6: Final answer
    x = 9,177.90

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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.