Home / 12,195.08-16,843.07-8,209.27

Finding the Fourth Proportional to 12,195.08, 16,843.07 and 8,209.27

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Solution

The fourth proportional to 12,195.08, 16,843.07 and 8,209.27 is: 11,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.08 : 16,843.07 = 8,209.27 : x
  2. Step 2: Convert to fraction form
    12,195.08/16,843.07 = 8,209.27/x
  3. Step 3: Cross multiply
    12,195.08x = 16,843.07 × 8,209.27
  4. Step 4: Simplify right side
    12,195.08x = 138,269,287.67
  5. Step 5: Solve for x
    x = 138,269,287.67/12,195.08
  6. Step 6: Final answer
    x = 11,338.13

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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.