Home / 11,180.60-16,734.36-8,218.26

Finding the Fourth Proportional to 11,180.60, 16,734.36 and 8,218.26

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Solution

The fourth proportional to 11,180.60, 16,734.36 and 8,218.26 is: 12,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.60 : 16,734.36 = 8,218.26 : x
  2. Step 2: Convert to fraction form
    11,180.60/16,734.36 = 8,218.26/x
  3. Step 3: Cross multiply
    11,180.60x = 16,734.36 × 8,218.26
  4. Step 4: Simplify right side
    11,180.60x = 137,527,352.23
  5. Step 5: Solve for x
    x = 137,527,352.23/11,180.60
  6. Step 6: Final answer
    x = 12,300.54

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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.