Home / 12,198.06-16,844.52-9,808.38

Finding the Fourth Proportional to 12,198.06, 16,844.52 and 9,808.38

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Solution

The fourth proportional to 12,198.06, 16,844.52 and 9,808.38 is: 13,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.06 : 16,844.52 = 9,808.38 : x
  2. Step 2: Convert to fraction form
    12,198.06/16,844.52 = 9,808.38/x
  3. Step 3: Cross multiply
    12,198.06x = 16,844.52 × 9,808.38
  4. Step 4: Simplify right side
    12,198.06x = 165,217,453.08
  5. Step 5: Solve for x
    x = 165,217,453.08/12,198.06
  6. Step 6: Final answer
    x = 13,544.57

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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.