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Finding the Fourth Proportional to 16,447.75, 22,698.44 and 8,995.75

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Solution

The fourth proportional to 16,447.75, 22,698.44 and 8,995.75 is: 12,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.75 : 22,698.44 = 8,995.75 : x
  2. Step 2: Convert to fraction form
    16,447.75/22,698.44 = 8,995.75/x
  3. Step 3: Cross multiply
    16,447.75x = 22,698.44 × 8,995.75
  4. Step 4: Simplify right side
    16,447.75x = 204,189,491.63
  5. Step 5: Solve for x
    x = 204,189,491.63/16,447.75
  6. Step 6: Final answer
    x = 12,414.43

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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.