Home / 21,845.14-32,769.84-8,694.44

Finding the Fourth Proportional to 21,845.14, 32,769.84 and 8,694.44

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Solution

The fourth proportional to 21,845.14, 32,769.84 and 8,694.44 is: 13,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.14 : 32,769.84 = 8,694.44 : x
  2. Step 2: Convert to fraction form
    21,845.14/32,769.84 = 8,694.44/x
  3. Step 3: Cross multiply
    21,845.14x = 32,769.84 × 8,694.44
  4. Step 4: Simplify right side
    21,845.14x = 284,915,407.69
  5. Step 5: Solve for x
    x = 284,915,407.69/21,845.14
  6. Step 6: Final answer
    x = 13,042.51

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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.