Home / 18,163.09-25,076.25-14,401.45

Finding the Fourth Proportional to 18,163.09, 25,076.25 and 14,401.45

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Solution

The fourth proportional to 18,163.09, 25,076.25 and 14,401.45 is: 19,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.09 : 25,076.25 = 14,401.45 : x
  2. Step 2: Convert to fraction form
    18,163.09/25,076.25 = 14,401.45/x
  3. Step 3: Cross multiply
    18,163.09x = 25,076.25 × 14,401.45
  4. Step 4: Simplify right side
    18,163.09x = 361,134,288.56
  5. Step 5: Solve for x
    x = 361,134,288.56/18,163.09
  6. Step 6: Final answer
    x = 19,882.87

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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.