Home / 11,786.28-16,265.07-6,480.96

Finding the Fourth Proportional to 11,786.28, 16,265.07 and 6,480.96

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Solution

The fourth proportional to 11,786.28, 16,265.07 and 6,480.96 is: 8,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.28 : 16,265.07 = 6,480.96 : x
  2. Step 2: Convert to fraction form
    11,786.28/16,265.07 = 6,480.96/x
  3. Step 3: Cross multiply
    11,786.28x = 16,265.07 × 6,480.96
  4. Step 4: Simplify right side
    11,786.28x = 105,413,268.07
  5. Step 5: Solve for x
    x = 105,413,268.07/11,786.28
  6. Step 6: Final answer
    x = 8,943.73

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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.