Home / 13,888.53-20,834.82-4,027.86

Finding the Fourth Proportional to 13,888.53, 20,834.82 and 4,027.86

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Solution

The fourth proportional to 13,888.53, 20,834.82 and 4,027.86 is: 6,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.53 : 20,834.82 = 4,027.86 : x
  2. Step 2: Convert to fraction form
    13,888.53/20,834.82 = 4,027.86/x
  3. Step 3: Cross multiply
    13,888.53x = 20,834.82 × 4,027.86
  4. Step 4: Simplify right side
    13,888.53x = 83,919,738.09
  5. Step 5: Solve for x
    x = 83,919,738.09/13,888.53
  6. Step 6: Final answer
    x = 6,042.38

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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.