Home / 11,675.20-16,116.96-6,961.12

Finding the Fourth Proportional to 11,675.20, 16,116.96 and 6,961.12

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Solution

The fourth proportional to 11,675.20, 16,116.96 and 6,961.12 is: 9,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.20 : 16,116.96 = 6,961.12 : x
  2. Step 2: Convert to fraction form
    11,675.20/16,116.96 = 6,961.12/x
  3. Step 3: Cross multiply
    11,675.20x = 16,116.96 × 6,961.12
  4. Step 4: Simplify right side
    11,675.20x = 112,192,092.60
  5. Step 5: Solve for x
    x = 112,192,092.60/11,675.20
  6. Step 6: Final answer
    x = 9,609.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.