Home / 20,634.73-30,952.10-7,487.11

Finding the Fourth Proportional to 20,634.73, 30,952.10 and 7,487.11

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Solution

The fourth proportional to 20,634.73, 30,952.10 and 7,487.11 is: 11,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.73 : 30,952.10 = 7,487.11 : x
  2. Step 2: Convert to fraction form
    20,634.73/30,952.10 = 7,487.11/x
  3. Step 3: Cross multiply
    20,634.73x = 30,952.10 × 7,487.11
  4. Step 4: Simplify right side
    20,634.73x = 231,741,777.43
  5. Step 5: Solve for x
    x = 231,741,777.43/20,634.73
  6. Step 6: Final answer
    x = 11,230.67

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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.