Home / 18,620.85-27,922.49-6,766.26

Finding the Fourth Proportional to 18,620.85, 27,922.49 and 6,766.26

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Solution

The fourth proportional to 18,620.85, 27,922.49 and 6,766.26 is: 10,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.85 : 27,922.49 = 6,766.26 : x
  2. Step 2: Convert to fraction form
    18,620.85/27,922.49 = 6,766.26/x
  3. Step 3: Cross multiply
    18,620.85x = 27,922.49 × 6,766.26
  4. Step 4: Simplify right side
    18,620.85x = 188,930,827.19
  5. Step 5: Solve for x
    x = 188,930,827.19/18,620.85
  6. Step 6: Final answer
    x = 10,146.20

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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.