Home / 20,254.94-30,383.34-6,213.94

Finding the Fourth Proportional to 20,254.94, 30,383.34 and 6,213.94

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Solution

The fourth proportional to 20,254.94, 30,383.34 and 6,213.94 is: 9,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.94 : 30,383.34 = 6,213.94 : x
  2. Step 2: Convert to fraction form
    20,254.94/30,383.34 = 6,213.94/x
  3. Step 3: Cross multiply
    20,254.94x = 30,383.34 × 6,213.94
  4. Step 4: Simplify right side
    20,254.94x = 188,800,251.76
  5. Step 5: Solve for x
    x = 188,800,251.76/20,254.94
  6. Step 6: Final answer
    x = 9,321.20

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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.