Home / 25,662.20-38,494.37-8,131.64

Finding the Fourth Proportional to 25,662.20, 38,494.37 and 8,131.64

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Solution

The fourth proportional to 25,662.20, 38,494.37 and 8,131.64 is: 12,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.20 : 38,494.37 = 8,131.64 : x
  2. Step 2: Convert to fraction form
    25,662.20/38,494.37 = 8,131.64/x
  3. Step 3: Cross multiply
    25,662.20x = 38,494.37 × 8,131.64
  4. Step 4: Simplify right side
    25,662.20x = 313,022,186.72
  5. Step 5: Solve for x
    x = 313,022,186.72/25,662.20
  6. Step 6: Final answer
    x = 12,197.79

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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.