Home / 12,847.26-19,271.73-3,961.50

Finding the Fourth Proportional to 12,847.26, 19,271.73 and 3,961.50

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Solution

The fourth proportional to 12,847.26, 19,271.73 and 3,961.50 is: 5,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.26 : 19,271.73 = 3,961.50 : x
  2. Step 2: Convert to fraction form
    12,847.26/19,271.73 = 3,961.50/x
  3. Step 3: Cross multiply
    12,847.26x = 19,271.73 × 3,961.50
  4. Step 4: Simplify right side
    12,847.26x = 76,344,958.40
  5. Step 5: Solve for x
    x = 76,344,958.40/12,847.26
  6. Step 6: Final answer
    x = 5,942.51

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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.