Home / 11,725.88-16,183.26-6,688.95

Finding the Fourth Proportional to 11,725.88, 16,183.26 and 6,688.95

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Solution

The fourth proportional to 11,725.88, 16,183.26 and 6,688.95 is: 9,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.88 : 16,183.26 = 6,688.95 : x
  2. Step 2: Convert to fraction form
    11,725.88/16,183.26 = 6,688.95/x
  3. Step 3: Cross multiply
    11,725.88x = 16,183.26 × 6,688.95
  4. Step 4: Simplify right side
    11,725.88x = 108,249,016.98
  5. Step 5: Solve for x
    x = 108,249,016.98/11,725.88
  6. Step 6: Final answer
    x = 9,231.63

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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.