Home / 13,741.84-20,610.43-3,879.38

Finding the Fourth Proportional to 13,741.84, 20,610.43 and 3,879.38

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Solution

The fourth proportional to 13,741.84, 20,610.43 and 3,879.38 is: 5,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.84 : 20,610.43 = 3,879.38 : x
  2. Step 2: Convert to fraction form
    13,741.84/20,610.43 = 3,879.38/x
  3. Step 3: Cross multiply
    13,741.84x = 20,610.43 × 3,879.38
  4. Step 4: Simplify right side
    13,741.84x = 79,955,689.93
  5. Step 5: Solve for x
    x = 79,955,689.93/13,741.84
  6. Step 6: Final answer
    x = 5,818.41

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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.