Home / 20,212.08-30,326.94-7,073.88

Finding the Fourth Proportional to 20,212.08, 30,326.94 and 7,073.88

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Solution

The fourth proportional to 20,212.08, 30,326.94 and 7,073.88 is: 10,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.08 : 30,326.94 = 7,073.88 : x
  2. Step 2: Convert to fraction form
    20,212.08/30,326.94 = 7,073.88/x
  3. Step 3: Cross multiply
    20,212.08x = 30,326.94 × 7,073.88
  4. Step 4: Simplify right side
    20,212.08x = 214,529,134.33
  5. Step 5: Solve for x
    x = 214,529,134.33/20,212.08
  6. Step 6: Final answer
    x = 10,613.91

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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.