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Finding the Fourth Proportional to 16,812, 25,218 and 4,500

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Solution

The fourth proportional to 16,812, 25,218 and 4,500 is: 6,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812 : 25,218 = 4,500 : x
  2. Step 2: Convert to fraction form
    16,812/25,218 = 4,500/x
  3. Step 3: Cross multiply
    16,812x = 25,218 × 4,500
  4. Step 4: Simplify right side
    16,812x = 113,481,000
  5. Step 5: Solve for x
    x = 113,481,000/16,812
  6. Step 6: Final answer
    x = 6,750

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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.