Home / 16,221.09-22,383.75-9,149.25

Finding the Fourth Proportional to 16,221.09, 22,383.75 and 9,149.25

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Solution

The fourth proportional to 16,221.09, 22,383.75 and 9,149.25 is: 12,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.09 : 22,383.75 = 9,149.25 : x
  2. Step 2: Convert to fraction form
    16,221.09/22,383.75 = 9,149.25/x
  3. Step 3: Cross multiply
    16,221.09x = 22,383.75 × 9,149.25
  4. Step 4: Simplify right side
    16,221.09x = 204,794,524.69
  5. Step 5: Solve for x
    x = 204,794,524.69/16,221.09
  6. Step 6: Final answer
    x = 12,625.20

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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.