Home / 11,022.32-16,517.26-8,687.92

Finding the Fourth Proportional to 11,022.32, 16,517.26 and 8,687.92

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Solution

The fourth proportional to 11,022.32, 16,517.26 and 8,687.92 is: 13,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.32 : 16,517.26 = 8,687.92 : x
  2. Step 2: Convert to fraction form
    11,022.32/16,517.26 = 8,687.92/x
  3. Step 3: Cross multiply
    11,022.32x = 16,517.26 × 8,687.92
  4. Step 4: Simplify right side
    11,022.32x = 143,500,633.50
  5. Step 5: Solve for x
    x = 143,500,633.50/11,022.32
  6. Step 6: Final answer
    x = 13,019.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.