Home / 18,194.82-27,286.40-7,098.80

Finding the Fourth Proportional to 18,194.82, 27,286.40 and 7,098.80

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Solution

The fourth proportional to 18,194.82, 27,286.40 and 7,098.80 is: 10,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.82 : 27,286.40 = 7,098.80 : x
  2. Step 2: Convert to fraction form
    18,194.82/27,286.40 = 7,098.80/x
  3. Step 3: Cross multiply
    18,194.82x = 27,286.40 × 7,098.80
  4. Step 4: Simplify right side
    18,194.82x = 193,700,696.32
  5. Step 5: Solve for x
    x = 193,700,696.32/18,194.82
  6. Step 6: Final answer
    x = 10,645.93

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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.