Home / 11,723.58-16,179.84-6,689.04

Finding the Fourth Proportional to 11,723.58, 16,179.84 and 6,689.04

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Solution

The fourth proportional to 11,723.58, 16,179.84 and 6,689.04 is: 9,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.58 : 16,179.84 = 6,689.04 : x
  2. Step 2: Convert to fraction form
    11,723.58/16,179.84 = 6,689.04/x
  3. Step 3: Cross multiply
    11,723.58x = 16,179.84 × 6,689.04
  4. Step 4: Simplify right side
    11,723.58x = 108,227,596.95
  5. Step 5: Solve for x
    x = 108,227,596.95/11,723.58
  6. Step 6: Final answer
    x = 9,231.62

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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.