Home / 19,169.92-28,744.80-11,274.85

Finding the Fourth Proportional to 19,169.92, 28,744.80 and 11,274.85

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Solution

The fourth proportional to 19,169.92, 28,744.80 and 11,274.85 is: 16,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.92 : 28,744.80 = 11,274.85 : x
  2. Step 2: Convert to fraction form
    19,169.92/28,744.80 = 11,274.85/x
  3. Step 3: Cross multiply
    19,169.92x = 28,744.80 × 11,274.85
  4. Step 4: Simplify right side
    19,169.92x = 324,093,308.28
  5. Step 5: Solve for x
    x = 324,093,308.28/19,169.92
  6. Step 6: Final answer
    x = 16,906.35

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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.