Home / 11,815.14-16,231.92-10,572.66

Finding the Fourth Proportional to 11,815.14, 16,231.92 and 10,572.66

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Solution

The fourth proportional to 11,815.14, 16,231.92 and 10,572.66 is: 14,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.14 : 16,231.92 = 10,572.66 : x
  2. Step 2: Convert to fraction form
    11,815.14/16,231.92 = 10,572.66/x
  3. Step 3: Cross multiply
    11,815.14x = 16,231.92 × 10,572.66
  4. Step 4: Simplify right side
    11,815.14x = 171,614,571.31
  5. Step 5: Solve for x
    x = 171,614,571.31/11,815.14
  6. Step 6: Final answer
    x = 14,524.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.