Home / 11,656.88-16,086.44-6,351.92

Finding the Fourth Proportional to 11,656.88, 16,086.44 and 6,351.92

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Solution

The fourth proportional to 11,656.88, 16,086.44 and 6,351.92 is: 8,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.88 : 16,086.44 = 6,351.92 : x
  2. Step 2: Convert to fraction form
    11,656.88/16,086.44 = 6,351.92/x
  3. Step 3: Cross multiply
    11,656.88x = 16,086.44 × 6,351.92
  4. Step 4: Simplify right side
    11,656.88x = 102,179,779.96
  5. Step 5: Solve for x
    x = 102,179,779.96/11,656.88
  6. Step 6: Final answer
    x = 8,765.62

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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.