Home / 13,847.23-20,770.86-3,984.22

Finding the Fourth Proportional to 13,847.23, 20,770.86 and 3,984.22

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Solution

The fourth proportional to 13,847.23, 20,770.86 and 3,984.22 is: 5,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.23 : 20,770.86 = 3,984.22 : x
  2. Step 2: Convert to fraction form
    13,847.23/20,770.86 = 3,984.22/x
  3. Step 3: Cross multiply
    13,847.23x = 20,770.86 × 3,984.22
  4. Step 4: Simplify right side
    13,847.23x = 82,755,675.83
  5. Step 5: Solve for x
    x = 82,755,675.83/13,847.23
  6. Step 6: Final answer
    x = 5,976.33

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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.