Home / 11,871.27-16,382.46-6,493.60

Finding the Fourth Proportional to 11,871.27, 16,382.46 and 6,493.60

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Solution

The fourth proportional to 11,871.27, 16,382.46 and 6,493.60 is: 8,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.27 : 16,382.46 = 6,493.60 : x
  2. Step 2: Convert to fraction form
    11,871.27/16,382.46 = 6,493.60/x
  3. Step 3: Cross multiply
    11,871.27x = 16,382.46 × 6,493.60
  4. Step 4: Simplify right side
    11,871.27x = 106,381,150.56
  5. Step 5: Solve for x
    x = 106,381,150.56/11,871.27
  6. Step 6: Final answer
    x = 8,961.23

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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.