Home / 12,717.60-19,074.36-3,481.44

Finding the Fourth Proportional to 12,717.60, 19,074.36 and 3,481.44

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Solution

The fourth proportional to 12,717.60, 19,074.36 and 3,481.44 is: 5,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.60 : 19,074.36 = 3,481.44 : x
  2. Step 2: Convert to fraction form
    12,717.60/19,074.36 = 3,481.44/x
  3. Step 3: Cross multiply
    12,717.60x = 19,074.36 × 3,481.44
  4. Step 4: Simplify right side
    12,717.60x = 66,406,239.88
  5. Step 5: Solve for x
    x = 66,406,239.88/12,717.60
  6. Step 6: Final answer
    x = 5,221.60

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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.