Home / 18,191.21-27,286.82-8,184.27

Finding the Fourth Proportional to 18,191.21, 27,286.82 and 8,184.27

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Solution

The fourth proportional to 18,191.21, 27,286.82 and 8,184.27 is: 12,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.21 : 27,286.82 = 8,184.27 : x
  2. Step 2: Convert to fraction form
    18,191.21/27,286.82 = 8,184.27/x
  3. Step 3: Cross multiply
    18,191.21x = 27,286.82 × 8,184.27
  4. Step 4: Simplify right side
    18,191.21x = 223,322,559.07
  5. Step 5: Solve for x
    x = 223,322,559.07/18,191.21
  6. Step 6: Final answer
    x = 12,276.40

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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.