Home / 18,049.80-27,078.34-6,371.22

Finding the Fourth Proportional to 18,049.80, 27,078.34 and 6,371.22

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Solution

The fourth proportional to 18,049.80, 27,078.34 and 6,371.22 is: 9,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.80 : 27,078.34 = 6,371.22 : x
  2. Step 2: Convert to fraction form
    18,049.80/27,078.34 = 6,371.22/x
  3. Step 3: Cross multiply
    18,049.80x = 27,078.34 × 6,371.22
  4. Step 4: Simplify right side
    18,049.80x = 172,522,061.37
  5. Step 5: Solve for x
    x = 172,522,061.37/18,049.80
  6. Step 6: Final answer
    x = 9,558.11

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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.