Home / 20,217.44-30,325.12-7,736.50

Finding the Fourth Proportional to 20,217.44, 30,325.12 and 7,736.50

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Solution

The fourth proportional to 20,217.44, 30,325.12 and 7,736.50 is: 11,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.44 : 30,325.12 = 7,736.50 : x
  2. Step 2: Convert to fraction form
    20,217.44/30,325.12 = 7,736.50/x
  3. Step 3: Cross multiply
    20,217.44x = 30,325.12 × 7,736.50
  4. Step 4: Simplify right side
    20,217.44x = 234,610,290.88
  5. Step 5: Solve for x
    x = 234,610,290.88/20,217.44
  6. Step 6: Final answer
    x = 11,604.35

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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.