Home / 20,251.79-30,383.52-6,213.88

Finding the Fourth Proportional to 20,251.79, 30,383.52 and 6,213.88

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Solution

The fourth proportional to 20,251.79, 30,383.52 and 6,213.88 is: 9,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.79 : 30,383.52 = 6,213.88 : x
  2. Step 2: Convert to fraction form
    20,251.79/30,383.52 = 6,213.88/x
  3. Step 3: Cross multiply
    20,251.79x = 30,383.52 × 6,213.88
  4. Step 4: Simplify right side
    20,251.79x = 188,799,364.27
  5. Step 5: Solve for x
    x = 188,799,364.27/20,251.79
  6. Step 6: Final answer
    x = 9,322.60

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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.