Home / 10,987.52-16,481.27-3,196.94

Finding the Fourth Proportional to 10,987.52, 16,481.27 and 3,196.94

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Solution

The fourth proportional to 10,987.52, 16,481.27 and 3,196.94 is: 4,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.52 : 16,481.27 = 3,196.94 : x
  2. Step 2: Convert to fraction form
    10,987.52/16,481.27 = 3,196.94/x
  3. Step 3: Cross multiply
    10,987.52x = 16,481.27 × 3,196.94
  4. Step 4: Simplify right side
    10,987.52x = 52,689,556.90
  5. Step 5: Solve for x
    x = 52,689,556.90/10,987.52
  6. Step 6: Final answer
    x = 4,795.40

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Similar ratio
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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.