Home / 13,012.76-19,517.11-4,245.73

Finding the Fourth Proportional to 13,012.76, 19,517.11 and 4,245.73

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Solution

The fourth proportional to 13,012.76, 19,517.11 and 4,245.73 is: 6,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.76 : 19,517.11 = 4,245.73 : x
  2. Step 2: Convert to fraction form
    13,012.76/19,517.11 = 4,245.73/x
  3. Step 3: Cross multiply
    13,012.76x = 19,517.11 × 4,245.73
  4. Step 4: Simplify right side
    13,012.76x = 82,864,379.44
  5. Step 5: Solve for x
    x = 82,864,379.44/13,012.76
  6. Step 6: Final answer
    x = 6,367.93

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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.