Home / 13,839.76-20,759.64-11,083.96

Finding the Fourth Proportional to 13,839.76, 20,759.64 and 11,083.96

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Solution

The fourth proportional to 13,839.76, 20,759.64 and 11,083.96 is: 16,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.76 : 20,759.64 = 11,083.96 : x
  2. Step 2: Convert to fraction form
    13,839.76/20,759.64 = 11,083.96/x
  3. Step 3: Cross multiply
    13,839.76x = 20,759.64 × 11,083.96
  4. Step 4: Simplify right side
    13,839.76x = 230,099,019.37
  5. Step 5: Solve for x
    x = 230,099,019.37/13,839.76
  6. Step 6: Final answer
    x = 16,625.94

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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.