Home / 20,313.63-30,472.97-7,163.37

Finding the Fourth Proportional to 20,313.63, 30,472.97 and 7,163.37

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Solution

The fourth proportional to 20,313.63, 30,472.97 and 7,163.37 is: 10,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.63 : 30,472.97 = 7,163.37 : x
  2. Step 2: Convert to fraction form
    20,313.63/30,472.97 = 7,163.37/x
  3. Step 3: Cross multiply
    20,313.63x = 30,472.97 × 7,163.37
  4. Step 4: Simplify right side
    20,313.63x = 218,289,123.29
  5. Step 5: Solve for x
    x = 218,289,123.29/20,313.63
  6. Step 6: Final answer
    x = 10,745.94

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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.