Home / 12,183.26-18,277.59-3,863.77

Finding the Fourth Proportional to 12,183.26, 18,277.59 and 3,863.77

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Solution

The fourth proportional to 12,183.26, 18,277.59 and 3,863.77 is: 5,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.26 : 18,277.59 = 3,863.77 : x
  2. Step 2: Convert to fraction form
    12,183.26/18,277.59 = 3,863.77/x
  3. Step 3: Cross multiply
    12,183.26x = 18,277.59 × 3,863.77
  4. Step 4: Simplify right side
    12,183.26x = 70,620,403.91
  5. Step 5: Solve for x
    x = 70,620,403.91/12,183.26
  6. Step 6: Final answer
    x = 5,796.51

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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.