Home / 11,621.45-17,400.26-8,114.96

Finding the Fourth Proportional to 11,621.45, 17,400.26 and 8,114.96

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Solution

The fourth proportional to 11,621.45, 17,400.26 and 8,114.96 is: 12,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.45 : 17,400.26 = 8,114.96 : x
  2. Step 2: Convert to fraction form
    11,621.45/17,400.26 = 8,114.96/x
  3. Step 3: Cross multiply
    11,621.45x = 17,400.26 × 8,114.96
  4. Step 4: Simplify right side
    11,621.45x = 141,202,286.31
  5. Step 5: Solve for x
    x = 141,202,286.31/11,621.45
  6. Step 6: Final answer
    x = 12,150.15

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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.