Home / 18,104.40-27,148.90-8,249.94

Finding the Fourth Proportional to 18,104.40, 27,148.90 and 8,249.94

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Solution

The fourth proportional to 18,104.40, 27,148.90 and 8,249.94 is: 12,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.40 : 27,148.90 = 8,249.94 : x
  2. Step 2: Convert to fraction form
    18,104.40/27,148.90 = 8,249.94/x
  3. Step 3: Cross multiply
    18,104.40x = 27,148.90 × 8,249.94
  4. Step 4: Simplify right side
    18,104.40x = 223,976,796.07
  5. Step 5: Solve for x
    x = 223,976,796.07/18,104.40
  6. Step 6: Final answer
    x = 12,371.40

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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.