Home / 13,838.44-20,760.98-3,977.52

Finding the Fourth Proportional to 13,838.44, 20,760.98 and 3,977.52

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Solution

The fourth proportional to 13,838.44, 20,760.98 and 3,977.52 is: 5,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.44 : 20,760.98 = 3,977.52 : x
  2. Step 2: Convert to fraction form
    13,838.44/20,760.98 = 3,977.52/x
  3. Step 3: Cross multiply
    13,838.44x = 20,760.98 × 3,977.52
  4. Step 4: Simplify right side
    13,838.44x = 82,577,213.17
  5. Step 5: Solve for x
    x = 82,577,213.17/13,838.44
  6. Step 6: Final answer
    x = 5,967.23

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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.