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Finding the Fourth Proportional to 22,310.31, 33,458.49 and 8,076.99

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Solution

The fourth proportional to 22,310.31, 33,458.49 and 8,076.99 is: 12,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.31 : 33,458.49 = 8,076.99 : x
  2. Step 2: Convert to fraction form
    22,310.31/33,458.49 = 8,076.99/x
  3. Step 3: Cross multiply
    22,310.31x = 33,458.49 × 8,076.99
  4. Step 4: Simplify right side
    22,310.31x = 270,243,889.15
  5. Step 5: Solve for x
    x = 270,243,889.15/22,310.31
  6. Step 6: Final answer
    x = 12,112.96

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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.