Home / 18,250.82-25,163.31-15,230.27

Finding the Fourth Proportional to 18,250.82, 25,163.31 and 15,230.27

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Solution

The fourth proportional to 18,250.82, 25,163.31 and 15,230.27 is: 20,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.82 : 25,163.31 = 15,230.27 : x
  2. Step 2: Convert to fraction form
    18,250.82/25,163.31 = 15,230.27/x
  3. Step 3: Cross multiply
    18,250.82x = 25,163.31 × 15,230.27
  4. Step 4: Simplify right side
    18,250.82x = 383,243,929.24
  5. Step 5: Solve for x
    x = 383,243,929.24/18,250.82
  6. Step 6: Final answer
    x = 20,998.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.