Home / 12,183.93-16,812.89-6,879.27

Finding the Fourth Proportional to 12,183.93, 16,812.89 and 6,879.27

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Solution

The fourth proportional to 12,183.93, 16,812.89 and 6,879.27 is: 9,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.93 : 16,812.89 = 6,879.27 : x
  2. Step 2: Convert to fraction form
    12,183.93/16,812.89 = 6,879.27/x
  3. Step 3: Cross multiply
    12,183.93x = 16,812.89 × 6,879.27
  4. Step 4: Simplify right side
    12,183.93x = 115,660,375.39
  5. Step 5: Solve for x
    x = 115,660,375.39/12,183.93
  6. Step 6: Final answer
    x = 9,492.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.