Home / 20,253.68-30,383.56-7,103.73

Finding the Fourth Proportional to 20,253.68, 30,383.56 and 7,103.73

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Solution

The fourth proportional to 20,253.68, 30,383.56 and 7,103.73 is: 10,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.68 : 30,383.56 = 7,103.73 : x
  2. Step 2: Convert to fraction form
    20,253.68/30,383.56 = 7,103.73/x
  3. Step 3: Cross multiply
    20,253.68x = 30,383.56 × 7,103.73
  4. Step 4: Simplify right side
    20,253.68x = 215,836,689.54
  5. Step 5: Solve for x
    x = 215,836,689.54/20,253.68
  6. Step 6: Final answer
    x = 10,656.67

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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.