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Finding the Fourth Proportional to 14,671.11, 22,006.44 and 5,905.80

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Solution

The fourth proportional to 14,671.11, 22,006.44 and 5,905.80 is: 8,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.11 : 22,006.44 = 5,905.80 : x
  2. Step 2: Convert to fraction form
    14,671.11/22,006.44 = 5,905.80/x
  3. Step 3: Cross multiply
    14,671.11x = 22,006.44 × 5,905.80
  4. Step 4: Simplify right side
    14,671.11x = 129,965,633.35
  5. Step 5: Solve for x
    x = 129,965,633.35/14,671.11
  6. Step 6: Final answer
    x = 8,858.61

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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.