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Finding the Fourth Proportional to 17,949.43, 24,769.02 and 9,991.45

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Solution

The fourth proportional to 17,949.43, 24,769.02 and 9,991.45 is: 13,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.43 : 24,769.02 = 9,991.45 : x
  2. Step 2: Convert to fraction form
    17,949.43/24,769.02 = 9,991.45/x
  3. Step 3: Cross multiply
    17,949.43x = 24,769.02 × 9,991.45
  4. Step 4: Simplify right side
    17,949.43x = 247,478,424.88
  5. Step 5: Solve for x
    x = 247,478,424.88/17,949.43
  6. Step 6: Final answer
    x = 13,787.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.