Home / 12,790.62-19,185.96-4,993.97

Finding the Fourth Proportional to 12,790.62, 19,185.96 and 4,993.97

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Solution

The fourth proportional to 12,790.62, 19,185.96 and 4,993.97 is: 7,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.62 : 19,185.96 = 4,993.97 : x
  2. Step 2: Convert to fraction form
    12,790.62/19,185.96 = 4,993.97/x
  3. Step 3: Cross multiply
    12,790.62x = 19,185.96 × 4,993.97
  4. Step 4: Simplify right side
    12,790.62x = 95,814,012.73
  5. Step 5: Solve for x
    x = 95,814,012.73/12,790.62
  6. Step 6: Final answer
    x = 7,490.96

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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.