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Finding the Fourth Proportional to 16,034.84, 22,127.94 and 8,961.08

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Solution

The fourth proportional to 16,034.84, 22,127.94 and 8,961.08 is: 12,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,034.84 : 22,127.94 = 8,961.08 : x
  2. Step 2: Convert to fraction form
    16,034.84/22,127.94 = 8,961.08/x
  3. Step 3: Cross multiply
    16,034.84x = 22,127.94 × 8,961.08
  4. Step 4: Simplify right side
    16,034.84x = 198,290,240.58
  5. Step 5: Solve for x
    x = 198,290,240.58/16,034.84
  6. Step 6: Final answer
    x = 12,366.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.