Home / 13,508.44-20,226.32-8,816.80

Finding the Fourth Proportional to 13,508.44, 20,226.32 and 8,816.80

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Solution

The fourth proportional to 13,508.44, 20,226.32 and 8,816.80 is: 13,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.44 : 20,226.32 = 8,816.80 : x
  2. Step 2: Convert to fraction form
    13,508.44/20,226.32 = 8,816.80/x
  3. Step 3: Cross multiply
    13,508.44x = 20,226.32 × 8,816.80
  4. Step 4: Simplify right side
    13,508.44x = 178,331,418.18
  5. Step 5: Solve for x
    x = 178,331,418.18/13,508.44
  6. Step 6: Final answer
    x = 13,201.48

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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.