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Finding the Fourth Proportional to 18,933.66, 28,377.26 and 9,450.29

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Solution

The fourth proportional to 18,933.66, 28,377.26 and 9,450.29 is: 14,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.66 : 28,377.26 = 9,450.29 : x
  2. Step 2: Convert to fraction form
    18,933.66/28,377.26 = 9,450.29/x
  3. Step 3: Cross multiply
    18,933.66x = 28,377.26 × 9,450.29
  4. Step 4: Simplify right side
    18,933.66x = 268,173,147.27
  5. Step 5: Solve for x
    x = 268,173,147.27/18,933.66
  6. Step 6: Final answer
    x = 14,163.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.