Home / 18,844.28-28,249.14-8,450.36

Finding the Fourth Proportional to 18,844.28, 28,249.14 and 8,450.36

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Solution

The fourth proportional to 18,844.28, 28,249.14 and 8,450.36 is: 12,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.28 : 28,249.14 = 8,450.36 : x
  2. Step 2: Convert to fraction form
    18,844.28/28,249.14 = 8,450.36/x
  3. Step 3: Cross multiply
    18,844.28x = 28,249.14 × 8,450.36
  4. Step 4: Simplify right side
    18,844.28x = 238,715,402.69
  5. Step 5: Solve for x
    x = 238,715,402.69/18,844.28
  6. Step 6: Final answer
    x = 12,667.79

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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.