Home / 11,863.32-16,371.21-6,558.02

Finding the Fourth Proportional to 11,863.32, 16,371.21 and 6,558.02

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Solution

The fourth proportional to 11,863.32, 16,371.21 and 6,558.02 is: 9,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.32 : 16,371.21 = 6,558.02 : x
  2. Step 2: Convert to fraction form
    11,863.32/16,371.21 = 6,558.02/x
  3. Step 3: Cross multiply
    11,863.32x = 16,371.21 × 6,558.02
  4. Step 4: Simplify right side
    11,863.32x = 107,362,722.60
  5. Step 5: Solve for x
    x = 107,362,722.60/11,863.32
  6. Step 6: Final answer
    x = 9,049.97

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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.