Home / 12,169.48-16,790.34-8,195.08

Finding the Fourth Proportional to 12,169.48, 16,790.34 and 8,195.08

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Solution

The fourth proportional to 12,169.48, 16,790.34 and 8,195.08 is: 11,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.48 : 16,790.34 = 8,195.08 : x
  2. Step 2: Convert to fraction form
    12,169.48/16,790.34 = 8,195.08/x
  3. Step 3: Cross multiply
    12,169.48x = 16,790.34 × 8,195.08
  4. Step 4: Simplify right side
    12,169.48x = 137,598,179.53
  5. Step 5: Solve for x
    x = 137,598,179.53/12,169.48
  6. Step 6: Final answer
    x = 11,306.82

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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.