Home / 20,217.82-30,313.02-7,063

Finding the Fourth Proportional to 20,217.82, 30,313.02 and 7,063

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Solution

The fourth proportional to 20,217.82, 30,313.02 and 7,063 is: 10,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.82 : 30,313.02 = 7,063 : x
  2. Step 2: Convert to fraction form
    20,217.82/30,313.02 = 7,063/x
  3. Step 3: Cross multiply
    20,217.82x = 30,313.02 × 7,063
  4. Step 4: Simplify right side
    20,217.82x = 214,100,860.26
  5. Step 5: Solve for x
    x = 214,100,860.26/20,217.82
  6. Step 6: Final answer
    x = 10,589.71

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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.