Home / 13,698.46-20,548.88-3,837.86

Finding the Fourth Proportional to 13,698.46, 20,548.88 and 3,837.86

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Solution

The fourth proportional to 13,698.46, 20,548.88 and 3,837.86 is: 5,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.46 : 20,548.88 = 3,837.86 : x
  2. Step 2: Convert to fraction form
    13,698.46/20,548.88 = 3,837.86/x
  3. Step 3: Cross multiply
    13,698.46x = 20,548.88 × 3,837.86
  4. Step 4: Simplify right side
    13,698.46x = 78,863,724.60
  5. Step 5: Solve for x
    x = 78,863,724.60/13,698.46
  6. Step 6: Final answer
    x = 5,757.12

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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.