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Finding the Fourth Proportional to 15,994.45, 23,991.67 and 8,198.29

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Solution

The fourth proportional to 15,994.45, 23,991.67 and 8,198.29 is: 12,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.45 : 23,991.67 = 8,198.29 : x
  2. Step 2: Convert to fraction form
    15,994.45/23,991.67 = 8,198.29/x
  3. Step 3: Cross multiply
    15,994.45x = 23,991.67 × 8,198.29
  4. Step 4: Simplify right side
    15,994.45x = 196,690,548.29
  5. Step 5: Solve for x
    x = 196,690,548.29/15,994.45
  6. Step 6: Final answer
    x = 12,297.43

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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.