Home / 18,489.20-27,733.79-11,084.38

Finding the Fourth Proportional to 18,489.20, 27,733.79 and 11,084.38

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Solution

The fourth proportional to 18,489.20, 27,733.79 and 11,084.38 is: 16,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.20 : 27,733.79 = 11,084.38 : x
  2. Step 2: Convert to fraction form
    18,489.20/27,733.79 = 11,084.38/x
  3. Step 3: Cross multiply
    18,489.20x = 27,733.79 × 11,084.38
  4. Step 4: Simplify right side
    18,489.20x = 307,411,825.58
  5. Step 5: Solve for x
    x = 307,411,825.58/18,489.20
  6. Step 6: Final answer
    x = 16,626.57

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1.5x scale

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.