Home / 12,183.26-18,277.11-3,749.63

Finding the Fourth Proportional to 12,183.26, 18,277.11 and 3,749.63

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Solution

The fourth proportional to 12,183.26, 18,277.11 and 3,749.63 is: 5,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.26 : 18,277.11 = 3,749.63 : x
  2. Step 2: Convert to fraction form
    12,183.26/18,277.11 = 3,749.63/x
  3. Step 3: Cross multiply
    12,183.26x = 18,277.11 × 3,749.63
  4. Step 4: Simplify right side
    12,183.26x = 68,532,308.58
  5. Step 5: Solve for x
    x = 68,532,308.58/12,183.26
  6. Step 6: Final answer
    x = 5,625.12

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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.