Home / 12,198.75-16,834.29-6,609.75

Finding the Fourth Proportional to 12,198.75, 16,834.29 and 6,609.75

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Solution

The fourth proportional to 12,198.75, 16,834.29 and 6,609.75 is: 9,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.75 : 16,834.29 = 6,609.75 : x
  2. Step 2: Convert to fraction form
    12,198.75/16,834.29 = 6,609.75/x
  3. Step 3: Cross multiply
    12,198.75x = 16,834.29 × 6,609.75
  4. Step 4: Simplify right side
    12,198.75x = 111,270,448.33
  5. Step 5: Solve for x
    x = 111,270,448.33/12,198.75
  6. Step 6: Final answer
    x = 9,121.46

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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.