Home / 22,131.08-33,195.54-8,279

Finding the Fourth Proportional to 22,131.08, 33,195.54 and 8,279

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Solution

The fourth proportional to 22,131.08, 33,195.54 and 8,279 is: 12,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.08 : 33,195.54 = 8,279 : x
  2. Step 2: Convert to fraction form
    22,131.08/33,195.54 = 8,279/x
  3. Step 3: Cross multiply
    22,131.08x = 33,195.54 × 8,279
  4. Step 4: Simplify right side
    22,131.08x = 274,825,875.66
  5. Step 5: Solve for x
    x = 274,825,875.66/22,131.08
  6. Step 6: Final answer
    x = 12,418.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.