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Finding the Fourth Proportional to 22,504, 33,757.68 and 8,653

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Solution

The fourth proportional to 22,504, 33,757.68 and 8,653 is: 12,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504 : 33,757.68 = 8,653 : x
  2. Step 2: Convert to fraction form
    22,504/33,757.68 = 8,653/x
  3. Step 3: Cross multiply
    22,504x = 33,757.68 × 8,653
  4. Step 4: Simplify right side
    22,504x = 292,105,205.04
  5. Step 5: Solve for x
    x = 292,105,205.04/22,504
  6. Step 6: Final answer
    x = 12,980.15

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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.