Home / 12,183.41-18,274.21-3,863.70

Finding the Fourth Proportional to 12,183.41, 18,274.21 and 3,863.70

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Solution

The fourth proportional to 12,183.41, 18,274.21 and 3,863.70 is: 5,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.41 : 18,274.21 = 3,863.70 : x
  2. Step 2: Convert to fraction form
    12,183.41/18,274.21 = 3,863.70/x
  3. Step 3: Cross multiply
    12,183.41x = 18,274.21 × 3,863.70
  4. Step 4: Simplify right side
    12,183.41x = 70,606,055.52
  5. Step 5: Solve for x
    x = 70,606,055.52/12,183.41
  6. Step 6: Final answer
    x = 5,795.26

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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.