Home / 16,195.06-22,347.49-9,120.90

Finding the Fourth Proportional to 16,195.06, 22,347.49 and 9,120.90

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Solution

The fourth proportional to 16,195.06, 22,347.49 and 9,120.90 is: 12,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.06 : 22,347.49 = 9,120.90 : x
  2. Step 2: Convert to fraction form
    16,195.06/22,347.49 = 9,120.90/x
  3. Step 3: Cross multiply
    16,195.06x = 22,347.49 × 9,120.90
  4. Step 4: Simplify right side
    16,195.06x = 203,829,221.54
  5. Step 5: Solve for x
    x = 203,829,221.54/16,195.06
  6. Step 6: Final answer
    x = 12,585.89

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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.