Home / 18,131.94-27,198.21-4,984.23

Finding the Fourth Proportional to 18,131.94, 27,198.21 and 4,984.23

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Solution

The fourth proportional to 18,131.94, 27,198.21 and 4,984.23 is: 7,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.94 : 27,198.21 = 4,984.23 : x
  2. Step 2: Convert to fraction form
    18,131.94/27,198.21 = 4,984.23/x
  3. Step 3: Cross multiply
    18,131.94x = 27,198.21 × 4,984.23
  4. Step 4: Simplify right side
    18,131.94x = 135,562,134.23
  5. Step 5: Solve for x
    x = 135,562,134.23/18,131.94
  6. Step 6: Final answer
    x = 7,476.43

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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.