Home / 18,518.92-27,777.82-4,668.04

Finding the Fourth Proportional to 18,518.92, 27,777.82 and 4,668.04

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Solution

The fourth proportional to 18,518.92, 27,777.82 and 4,668.04 is: 7,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.92 : 27,777.82 = 4,668.04 : x
  2. Step 2: Convert to fraction form
    18,518.92/27,777.82 = 4,668.04/x
  3. Step 3: Cross multiply
    18,518.92x = 27,777.82 × 4,668.04
  4. Step 4: Simplify right side
    18,518.92x = 129,667,974.87
  5. Step 5: Solve for x
    x = 129,667,974.87/18,518.92
  6. Step 6: Final answer
    x = 7,001.92

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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.