Home / 13,467.60-20,179.80-8,845.20

Finding the Fourth Proportional to 13,467.60, 20,179.80 and 8,845.20

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Solution

The fourth proportional to 13,467.60, 20,179.80 and 8,845.20 is: 13,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.60 : 20,179.80 = 8,845.20 : x
  2. Step 2: Convert to fraction form
    13,467.60/20,179.80 = 8,845.20/x
  3. Step 3: Cross multiply
    13,467.60x = 20,179.80 × 8,845.20
  4. Step 4: Simplify right side
    13,467.60x = 178,494,366.96
  5. Step 5: Solve for x
    x = 178,494,366.96/13,467.60
  6. Step 6: Final answer
    x = 13,253.61

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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.