Home / 13,383.88-20,078.64-5,063.71

Finding the Fourth Proportional to 13,383.88, 20,078.64 and 5,063.71

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Solution

The fourth proportional to 13,383.88, 20,078.64 and 5,063.71 is: 7,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.88 : 20,078.64 = 5,063.71 : x
  2. Step 2: Convert to fraction form
    13,383.88/20,078.64 = 5,063.71/x
  3. Step 3: Cross multiply
    13,383.88x = 20,078.64 × 5,063.71
  4. Step 4: Simplify right side
    13,383.88x = 101,672,410.15
  5. Step 5: Solve for x
    x = 101,672,410.15/13,383.88
  6. Step 6: Final answer
    x = 7,596.63

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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.