Home / 22,131.45-33,198.80-8,980.29

Finding the Fourth Proportional to 22,131.45, 33,198.80 and 8,980.29

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Solution

The fourth proportional to 22,131.45, 33,198.80 and 8,980.29 is: 13,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.45 : 33,198.80 = 8,980.29 : x
  2. Step 2: Convert to fraction form
    22,131.45/33,198.80 = 8,980.29/x
  3. Step 3: Cross multiply
    22,131.45x = 33,198.80 × 8,980.29
  4. Step 4: Simplify right side
    22,131.45x = 298,134,806.75
  5. Step 5: Solve for x
    x = 298,134,806.75/22,131.45
  6. Step 6: Final answer
    x = 13,471.09

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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.