Home / 11,396.38-15,727.61-6,682.18

Finding the Fourth Proportional to 11,396.38, 15,727.61 and 6,682.18

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Solution

The fourth proportional to 11,396.38, 15,727.61 and 6,682.18 is: 9,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.38 : 15,727.61 = 6,682.18 : x
  2. Step 2: Convert to fraction form
    11,396.38/15,727.61 = 6,682.18/x
  3. Step 3: Cross multiply
    11,396.38x = 15,727.61 × 6,682.18
  4. Step 4: Simplify right side
    11,396.38x = 105,094,608.94
  5. Step 5: Solve for x
    x = 105,094,608.94/11,396.38
  6. Step 6: Final answer
    x = 9,221.76

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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.