Home / 20,213.39-30,323.32-8,528.33

Finding the Fourth Proportional to 20,213.39, 30,323.32 and 8,528.33

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Solution

The fourth proportional to 20,213.39, 30,323.32 and 8,528.33 is: 12,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.39 : 30,323.32 = 8,528.33 : x
  2. Step 2: Convert to fraction form
    20,213.39/30,323.32 = 8,528.33/x
  3. Step 3: Cross multiply
    20,213.39x = 30,323.32 × 8,528.33
  4. Step 4: Simplify right side
    20,213.39x = 258,607,106.72
  5. Step 5: Solve for x
    x = 258,607,106.72/20,213.39
  6. Step 6: Final answer
    x = 12,793.85

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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.