Home / 11,196.28-15,449.92-6,480.87

Finding the Fourth Proportional to 11,196.28, 15,449.92 and 6,480.87

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Solution

The fourth proportional to 11,196.28, 15,449.92 and 6,480.87 is: 8,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.28 : 15,449.92 = 6,480.87 : x
  2. Step 2: Convert to fraction form
    11,196.28/15,449.92 = 6,480.87/x
  3. Step 3: Cross multiply
    11,196.28x = 15,449.92 × 6,480.87
  4. Step 4: Simplify right side
    11,196.28x = 100,128,923.03
  5. Step 5: Solve for x
    x = 100,128,923.03/11,196.28
  6. Step 6: Final answer
    x = 8,943.05

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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.