Home / 13,071.75-19,610.88-3,837.75

Finding the Fourth Proportional to 13,071.75, 19,610.88 and 3,837.75

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Solution

The fourth proportional to 13,071.75, 19,610.88 and 3,837.75 is: 5,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.75 : 19,610.88 = 3,837.75 : x
  2. Step 2: Convert to fraction form
    13,071.75/19,610.88 = 3,837.75/x
  3. Step 3: Cross multiply
    13,071.75x = 19,610.88 × 3,837.75
  4. Step 4: Simplify right side
    13,071.75x = 75,261,654.72
  5. Step 5: Solve for x
    x = 75,261,654.72/13,071.75
  6. Step 6: Final answer
    x = 5,757.58

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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.