Home / 10,987.08-16,481.50-3,195.88

Finding the Fourth Proportional to 10,987.08, 16,481.50 and 3,195.88

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Solution

The fourth proportional to 10,987.08, 16,481.50 and 3,195.88 is: 4,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.08 : 16,481.50 = 3,195.88 : x
  2. Step 2: Convert to fraction form
    10,987.08/16,481.50 = 3,195.88/x
  3. Step 3: Cross multiply
    10,987.08x = 16,481.50 × 3,195.88
  4. Step 4: Simplify right side
    10,987.08x = 52,672,896.22
  5. Step 5: Solve for x
    x = 52,672,896.22/10,987.08
  6. Step 6: Final answer
    x = 4,794.08

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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.