Home / 11,759.37-17,639.46-3,863.10

Finding the Fourth Proportional to 11,759.37, 17,639.46 and 3,863.10

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Solution

The fourth proportional to 11,759.37, 17,639.46 and 3,863.10 is: 5,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.37 : 17,639.46 = 3,863.10 : x
  2. Step 2: Convert to fraction form
    11,759.37/17,639.46 = 3,863.10/x
  3. Step 3: Cross multiply
    11,759.37x = 17,639.46 × 3,863.10
  4. Step 4: Simplify right side
    11,759.37x = 68,142,997.93
  5. Step 5: Solve for x
    x = 68,142,997.93/11,759.37
  6. Step 6: Final answer
    x = 5,794.78

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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.