Home / 12,183.62-18,269.96-3,862.08

Finding the Fourth Proportional to 12,183.62, 18,269.96 and 3,862.08

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Solution

The fourth proportional to 12,183.62, 18,269.96 and 3,862.08 is: 5,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.62 : 18,269.96 = 3,862.08 : x
  2. Step 2: Convert to fraction form
    12,183.62/18,269.96 = 3,862.08/x
  3. Step 3: Cross multiply
    12,183.62x = 18,269.96 × 3,862.08
  4. Step 4: Simplify right side
    12,183.62x = 70,560,027.81
  5. Step 5: Solve for x
    x = 70,560,027.81/12,183.62
  6. Step 6: Final answer
    x = 5,791.39

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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.