Home / 20,408.18-30,604.99-7,257.94

Finding the Fourth Proportional to 20,408.18, 30,604.99 and 7,257.94

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Solution

The fourth proportional to 20,408.18, 30,604.99 and 7,257.94 is: 10,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.18 : 30,604.99 = 7,257.94 : x
  2. Step 2: Convert to fraction form
    20,408.18/30,604.99 = 7,257.94/x
  3. Step 3: Cross multiply
    20,408.18x = 30,604.99 × 7,257.94
  4. Step 4: Simplify right side
    20,408.18x = 222,129,086.46
  5. Step 5: Solve for x
    x = 222,129,086.46/20,408.18
  6. Step 6: Final answer
    x = 10,884.31

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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.