Home / 12,183.56-18,275.28-2,949.56

Finding the Fourth Proportional to 12,183.56, 18,275.28 and 2,949.56

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Solution

The fourth proportional to 12,183.56, 18,275.28 and 2,949.56 is: 4,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.56 : 18,275.28 = 2,949.56 : x
  2. Step 2: Convert to fraction form
    12,183.56/18,275.28 = 2,949.56/x
  3. Step 3: Cross multiply
    12,183.56x = 18,275.28 × 2,949.56
  4. Step 4: Simplify right side
    12,183.56x = 53,904,034.88
  5. Step 5: Solve for x
    x = 53,904,034.88/12,183.56
  6. Step 6: Final answer
    x = 4,424.33

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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.