Home / 13,845.23-20,767.86-3,982.22

Finding the Fourth Proportional to 13,845.23, 20,767.86 and 3,982.22

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Solution

The fourth proportional to 13,845.23, 20,767.86 and 3,982.22 is: 5,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.23 : 20,767.86 = 3,982.22 : x
  2. Step 2: Convert to fraction form
    13,845.23/20,767.86 = 3,982.22/x
  3. Step 3: Cross multiply
    13,845.23x = 20,767.86 × 3,982.22
  4. Step 4: Simplify right side
    13,845.23x = 82,702,187.45
  5. Step 5: Solve for x
    x = 82,702,187.45/13,845.23
  6. Step 6: Final answer
    x = 5,973.33

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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.