Home / 12,183.49-16,814.73-6,879.97

Finding the Fourth Proportional to 12,183.49, 16,814.73 and 6,879.97

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Solution

The fourth proportional to 12,183.49, 16,814.73 and 6,879.97 is: 9,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.49 : 16,814.73 = 6,879.97 : x
  2. Step 2: Convert to fraction form
    12,183.49/16,814.73 = 6,879.97/x
  3. Step 3: Cross multiply
    12,183.49x = 16,814.73 × 6,879.97
  4. Step 4: Simplify right side
    12,183.49x = 115,684,837.96
  5. Step 5: Solve for x
    x = 115,684,837.96/12,183.49
  6. Step 6: Final answer
    x = 9,495.21

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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.