Home / 20,559.44-30,839.15-7,408.73

Finding the Fourth Proportional to 20,559.44, 30,839.15 and 7,408.73

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Solution

The fourth proportional to 20,559.44, 30,839.15 and 7,408.73 is: 11,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.44 : 30,839.15 = 7,408.73 : x
  2. Step 2: Convert to fraction form
    20,559.44/30,839.15 = 7,408.73/x
  3. Step 3: Cross multiply
    20,559.44x = 30,839.15 × 7,408.73
  4. Step 4: Simplify right side
    20,559.44x = 228,478,744.54
  5. Step 5: Solve for x
    x = 228,478,744.54/20,559.44
  6. Step 6: Final answer
    x = 11,113.08

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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.