Home / 12,198.82-16,834.36-6,609.82

Finding the Fourth Proportional to 12,198.82, 16,834.36 and 6,609.82

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Solution

The fourth proportional to 12,198.82, 16,834.36 and 6,609.82 is: 9,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.82 : 16,834.36 = 6,609.82 : x
  2. Step 2: Convert to fraction form
    12,198.82/16,834.36 = 6,609.82/x
  3. Step 3: Cross multiply
    12,198.82x = 16,834.36 × 6,609.82
  4. Step 4: Simplify right side
    12,198.82x = 111,272,089.42
  5. Step 5: Solve for x
    x = 111,272,089.42/12,198.82
  6. Step 6: Final answer
    x = 9,121.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.