Home / 18,169.50-27,230.67-8,166.85

Finding the Fourth Proportional to 18,169.50, 27,230.67 and 8,166.85

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Solution

The fourth proportional to 18,169.50, 27,230.67 and 8,166.85 is: 12,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.50 : 27,230.67 = 8,166.85 : x
  2. Step 2: Convert to fraction form
    18,169.50/27,230.67 = 8,166.85/x
  3. Step 3: Cross multiply
    18,169.50x = 27,230.67 × 8,166.85
  4. Step 4: Simplify right side
    18,169.50x = 222,388,756.46
  5. Step 5: Solve for x
    x = 222,388,756.46/18,169.50
  6. Step 6: Final answer
    x = 12,239.68

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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.