Home / 18,183.37-25,100.20-11,467.66

Finding the Fourth Proportional to 18,183.37, 25,100.20 and 11,467.66

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Solution

The fourth proportional to 18,183.37, 25,100.20 and 11,467.66 is: 15,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.37 : 25,100.20 = 11,467.66 : x
  2. Step 2: Convert to fraction form
    18,183.37/25,100.20 = 11,467.66/x
  3. Step 3: Cross multiply
    18,183.37x = 25,100.20 × 11,467.66
  4. Step 4: Simplify right side
    18,183.37x = 287,840,559.53
  5. Step 5: Solve for x
    x = 287,840,559.53/18,183.37
  6. Step 6: Final answer
    x = 15,829.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.