Home / 18,290.60-27,436.92-5,141.96

Finding the Fourth Proportional to 18,290.60, 27,436.92 and 5,141.96

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Solution

The fourth proportional to 18,290.60, 27,436.92 and 5,141.96 is: 7,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.60 : 27,436.92 = 5,141.96 : x
  2. Step 2: Convert to fraction form
    18,290.60/27,436.92 = 5,141.96/x
  3. Step 3: Cross multiply
    18,290.60x = 27,436.92 × 5,141.96
  4. Step 4: Simplify right side
    18,290.60x = 141,079,545.16
  5. Step 5: Solve for x
    x = 141,079,545.16/18,290.60
  6. Step 6: Final answer
    x = 7,713.23

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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.