Home / 13,944.09-20,917.22-3,555.75

Finding the Fourth Proportional to 13,944.09, 20,917.22 and 3,555.75

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Solution

The fourth proportional to 13,944.09, 20,917.22 and 3,555.75 is: 5,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.09 : 20,917.22 = 3,555.75 : x
  2. Step 2: Convert to fraction form
    13,944.09/20,917.22 = 3,555.75/x
  3. Step 3: Cross multiply
    13,944.09x = 20,917.22 × 3,555.75
  4. Step 4: Simplify right side
    13,944.09x = 74,376,387.24
  5. Step 5: Solve for x
    x = 74,376,387.24/13,944.09
  6. Step 6: Final answer
    x = 5,333.90

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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.