Home / 13,807.35-20,704.77-3,944.25

Finding the Fourth Proportional to 13,807.35, 20,704.77 and 3,944.25

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Solution

The fourth proportional to 13,807.35, 20,704.77 and 3,944.25 is: 5,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.35 : 20,704.77 = 3,944.25 : x
  2. Step 2: Convert to fraction form
    13,807.35/20,704.77 = 3,944.25/x
  3. Step 3: Cross multiply
    13,807.35x = 20,704.77 × 3,944.25
  4. Step 4: Simplify right side
    13,807.35x = 81,664,789.07
  5. Step 5: Solve for x
    x = 81,664,789.07/13,807.35
  6. Step 6: Final answer
    x = 5,914.59

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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.