Home / 20,065.05-30,099.38-5,273.73

Finding the Fourth Proportional to 20,065.05, 30,099.38 and 5,273.73

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Solution

The fourth proportional to 20,065.05, 30,099.38 and 5,273.73 is: 7,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.05 : 30,099.38 = 5,273.73 : x
  2. Step 2: Convert to fraction form
    20,065.05/30,099.38 = 5,273.73/x
  3. Step 3: Cross multiply
    20,065.05x = 30,099.38 × 5,273.73
  4. Step 4: Simplify right side
    20,065.05x = 158,735,976.92
  5. Step 5: Solve for x
    x = 158,735,976.92/20,065.05
  6. Step 6: Final answer
    x = 7,911.07

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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.