Home / 11,022.94-15,200.22-8,505.46

Finding the Fourth Proportional to 11,022.94, 15,200.22 and 8,505.46

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Solution

The fourth proportional to 11,022.94, 15,200.22 and 8,505.46 is: 11,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.94 : 15,200.22 = 8,505.46 : x
  2. Step 2: Convert to fraction form
    11,022.94/15,200.22 = 8,505.46/x
  3. Step 3: Cross multiply
    11,022.94x = 15,200.22 × 8,505.46
  4. Step 4: Simplify right side
    11,022.94x = 129,284,863.20
  5. Step 5: Solve for x
    x = 129,284,863.20/11,022.94
  6. Step 6: Final answer
    x = 11,728.71

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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.