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Finding the Fourth Proportional to 16,318, 22,519.02 and 8,866

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Solution

The fourth proportional to 16,318, 22,519.02 and 8,866 is: 12,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318 : 22,519.02 = 8,866 : x
  2. Step 2: Convert to fraction form
    16,318/22,519.02 = 8,866/x
  3. Step 3: Cross multiply
    16,318x = 22,519.02 × 8,866
  4. Step 4: Simplify right side
    16,318x = 199,653,631.32
  5. Step 5: Solve for x
    x = 199,653,631.32/16,318
  6. Step 6: Final answer
    x = 12,235.18

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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.