Home / 12,183.84-16,814.16-6,879.24

Finding the Fourth Proportional to 12,183.84, 16,814.16 and 6,879.24

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Solution

The fourth proportional to 12,183.84, 16,814.16 and 6,879.24 is: 9,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.84 : 16,814.16 = 6,879.24 : x
  2. Step 2: Convert to fraction form
    12,183.84/16,814.16 = 6,879.24/x
  3. Step 3: Cross multiply
    12,183.84x = 16,814.16 × 6,879.24
  4. Step 4: Simplify right side
    12,183.84x = 115,668,642.04
  5. Step 5: Solve for x
    x = 115,668,642.04/12,183.84
  6. Step 6: Final answer
    x = 9,493.61

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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.