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Finding the Fourth Proportional to 13,350, 20,025 and 3,622

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Solution

The fourth proportional to 13,350, 20,025 and 3,622 is: 5,433

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350 : 20,025 = 3,622 : x
  2. Step 2: Convert to fraction form
    13,350/20,025 = 3,622/x
  3. Step 3: Cross multiply
    13,350x = 20,025 × 3,622
  4. Step 4: Simplify right side
    13,350x = 72,530,550
  5. Step 5: Solve for x
    x = 72,530,550/13,350
  6. Step 6: Final answer
    x = 5,433

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Why These Related Problems?

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