Home / 12,198.97-18,299.53-3,433.96

Finding the Fourth Proportional to 12,198.97, 18,299.53 and 3,433.96

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Solution

The fourth proportional to 12,198.97, 18,299.53 and 3,433.96 is: 5,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.97 : 18,299.53 = 3,433.96 : x
  2. Step 2: Convert to fraction form
    12,198.97/18,299.53 = 3,433.96/x
  3. Step 3: Cross multiply
    12,198.97x = 18,299.53 × 3,433.96
  4. Step 4: Simplify right side
    12,198.97x = 62,839,854.04
  5. Step 5: Solve for x
    x = 62,839,854.04/12,198.97
  6. Step 6: Final answer
    x = 5,151.24

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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.