Home / 11,863.09-16,370.82-6,557.79

Finding the Fourth Proportional to 11,863.09, 16,370.82 and 6,557.79

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Solution

The fourth proportional to 11,863.09, 16,370.82 and 6,557.79 is: 9,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.09 : 16,370.82 = 6,557.79 : x
  2. Step 2: Convert to fraction form
    11,863.09/16,370.82 = 6,557.79/x
  3. Step 3: Cross multiply
    11,863.09x = 16,370.82 × 6,557.79
  4. Step 4: Simplify right side
    11,863.09x = 107,356,399.69
  5. Step 5: Solve for x
    x = 107,356,399.69/11,863.09
  6. Step 6: Final answer
    x = 9,049.62

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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.