Home / 9,165-13,747.50-3,321.62

Finding the Fourth Proportional to 9,165, 13,747.50 and 3,321.62

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Solution

The fourth proportional to 9,165, 13,747.50 and 3,321.62 is: 4,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165 : 13,747.50 = 3,321.62 : x
  2. Step 2: Convert to fraction form
    9,165/13,747.50 = 3,321.62/x
  3. Step 3: Cross multiply
    9,165x = 13,747.50 × 3,321.62
  4. Step 4: Simplify right side
    9,165x = 45,663,902.21
  5. Step 5: Solve for x
    x = 45,663,902.21/9,165
  6. Step 6: Final answer
    x = 4,982.42

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1.5x scale

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.