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Finding the Fourth Proportional to 22,476.22, 33,694.89 and 8,615.50

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Solution

The fourth proportional to 22,476.22, 33,694.89 and 8,615.50 is: 12,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.22 : 33,694.89 = 8,615.50 : x
  2. Step 2: Convert to fraction form
    22,476.22/33,694.89 = 8,615.50/x
  3. Step 3: Cross multiply
    22,476.22x = 33,694.89 × 8,615.50
  4. Step 4: Simplify right side
    22,476.22x = 290,298,324.80
  5. Step 5: Solve for x
    x = 290,298,324.80/22,476.22
  6. Step 6: Final answer
    x = 12,915.80

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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.