Home / 11,682.64-16,117.22-8,147.94

Finding the Fourth Proportional to 11,682.64, 16,117.22 and 8,147.94

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Solution

The fourth proportional to 11,682.64, 16,117.22 and 8,147.94 is: 11,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.64 : 16,117.22 = 8,147.94 : x
  2. Step 2: Convert to fraction form
    11,682.64/16,117.22 = 8,147.94/x
  3. Step 3: Cross multiply
    11,682.64x = 16,117.22 × 8,147.94
  4. Step 4: Simplify right side
    11,682.64x = 131,322,141.53
  5. Step 5: Solve for x
    x = 131,322,141.53/11,682.64
  6. Step 6: Final answer
    x = 11,240.79

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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.