Home / 19,081.96-28,611.30-8,550.04

Finding the Fourth Proportional to 19,081.96, 28,611.30 and 8,550.04

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Solution

The fourth proportional to 19,081.96, 28,611.30 and 8,550.04 is: 12,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.96 : 28,611.30 = 8,550.04 : x
  2. Step 2: Convert to fraction form
    19,081.96/28,611.30 = 8,550.04/x
  3. Step 3: Cross multiply
    19,081.96x = 28,611.30 × 8,550.04
  4. Step 4: Simplify right side
    19,081.96x = 244,627,759.45
  5. Step 5: Solve for x
    x = 244,627,759.45/19,081.96
  6. Step 6: Final answer
    x = 12,819.84

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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.