Home / 12,183.48-18,277.98-3,864

Finding the Fourth Proportional to 12,183.48, 18,277.98 and 3,864

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Solution

The fourth proportional to 12,183.48, 18,277.98 and 3,864 is: 5,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.48 : 18,277.98 = 3,864 : x
  2. Step 2: Convert to fraction form
    12,183.48/18,277.98 = 3,864/x
  3. Step 3: Cross multiply
    12,183.48x = 18,277.98 × 3,864
  4. Step 4: Simplify right side
    12,183.48x = 70,626,114.72
  5. Step 5: Solve for x
    x = 70,626,114.72/12,183.48
  6. Step 6: Final answer
    x = 5,796.88

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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.