Home / 11,821.92-16,314.06-6,786.02

Finding the Fourth Proportional to 11,821.92, 16,314.06 and 6,786.02

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Solution

The fourth proportional to 11,821.92, 16,314.06 and 6,786.02 is: 9,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.92 : 16,314.06 = 6,786.02 : x
  2. Step 2: Convert to fraction form
    11,821.92/16,314.06 = 6,786.02/x
  3. Step 3: Cross multiply
    11,821.92x = 16,314.06 × 6,786.02
  4. Step 4: Simplify right side
    11,821.92x = 110,707,537.44
  5. Step 5: Solve for x
    x = 110,707,537.44/11,821.92
  6. Step 6: Final answer
    x = 9,364.60

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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.