Home / 16,168.80-22,311.66-8,998.20

Finding the Fourth Proportional to 16,168.80, 22,311.66 and 8,998.20

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Solution

The fourth proportional to 16,168.80, 22,311.66 and 8,998.20 is: 12,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,168.80 : 22,311.66 = 8,998.20 : x
  2. Step 2: Convert to fraction form
    16,168.80/22,311.66 = 8,998.20/x
  3. Step 3: Cross multiply
    16,168.80x = 22,311.66 × 8,998.20
  4. Step 4: Simplify right side
    16,168.80x = 200,764,779.01
  5. Step 5: Solve for x
    x = 200,764,779.01/16,168.80
  6. Step 6: Final answer
    x = 12,416.80

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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.