Home / 11,726.12-16,183.58-6,689.18

Finding the Fourth Proportional to 11,726.12, 16,183.58 and 6,689.18

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Solution

The fourth proportional to 11,726.12, 16,183.58 and 6,689.18 is: 9,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.12 : 16,183.58 = 6,689.18 : x
  2. Step 2: Convert to fraction form
    11,726.12/16,183.58 = 6,689.18/x
  3. Step 3: Cross multiply
    11,726.12x = 16,183.58 × 6,689.18
  4. Step 4: Simplify right side
    11,726.12x = 108,254,765.30
  5. Step 5: Solve for x
    x = 108,254,765.30/11,726.12
  6. Step 6: Final answer
    x = 9,231.94

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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.