Home / 18,618.92-27,922.44-6,136.61

Finding the Fourth Proportional to 18,618.92, 27,922.44 and 6,136.61

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Solution

The fourth proportional to 18,618.92, 27,922.44 and 6,136.61 is: 9,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.92 : 27,922.44 = 6,136.61 : x
  2. Step 2: Convert to fraction form
    18,618.92/27,922.44 = 6,136.61/x
  3. Step 3: Cross multiply
    18,618.92x = 27,922.44 × 6,136.61
  4. Step 4: Simplify right side
    18,618.92x = 171,348,984.92
  5. Step 5: Solve for x
    x = 171,348,984.92/18,618.92
  6. Step 6: Final answer
    x = 9,202.95

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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.