Home / 18,147.94-27,219.43-4,998.42

Finding the Fourth Proportional to 18,147.94, 27,219.43 and 4,998.42

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Solution

The fourth proportional to 18,147.94, 27,219.43 and 4,998.42 is: 7,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.94 : 27,219.43 = 4,998.42 : x
  2. Step 2: Convert to fraction form
    18,147.94/27,219.43 = 4,998.42/x
  3. Step 3: Cross multiply
    18,147.94x = 27,219.43 × 4,998.42
  4. Step 4: Simplify right side
    18,147.94x = 136,054,143.30
  5. Step 5: Solve for x
    x = 136,054,143.30/18,147.94
  6. Step 6: Final answer
    x = 7,496.95

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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.