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Finding the Fourth Proportional to 22,619.88, 33,930.03 and 8,576.13

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Solution

The fourth proportional to 22,619.88, 33,930.03 and 8,576.13 is: 12,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.88 : 33,930.03 = 8,576.13 : x
  2. Step 2: Convert to fraction form
    22,619.88/33,930.03 = 8,576.13/x
  3. Step 3: Cross multiply
    22,619.88x = 33,930.03 × 8,576.13
  4. Step 4: Simplify right side
    22,619.88x = 290,988,348.18
  5. Step 5: Solve for x
    x = 290,988,348.18/22,619.88
  6. Step 6: Final answer
    x = 12,864.27

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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.