Home / 18,569.96-27,849.42-5,418.80

Finding the Fourth Proportional to 18,569.96, 27,849.42 and 5,418.80

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Solution

The fourth proportional to 18,569.96, 27,849.42 and 5,418.80 is: 8,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.96 : 27,849.42 = 5,418.80 : x
  2. Step 2: Convert to fraction form
    18,569.96/27,849.42 = 5,418.80/x
  3. Step 3: Cross multiply
    18,569.96x = 27,849.42 × 5,418.80
  4. Step 4: Simplify right side
    18,569.96x = 150,910,437.10
  5. Step 5: Solve for x
    x = 150,910,437.10/18,569.96
  6. Step 6: Final answer
    x = 8,126.59

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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.