Home / 11,863.35-16,371.60-6,558.06

Finding the Fourth Proportional to 11,863.35, 16,371.60 and 6,558.06

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Solution

The fourth proportional to 11,863.35, 16,371.60 and 6,558.06 is: 9,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.35 : 16,371.60 = 6,558.06 : x
  2. Step 2: Convert to fraction form
    11,863.35/16,371.60 = 6,558.06/x
  3. Step 3: Cross multiply
    11,863.35x = 16,371.60 × 6,558.06
  4. Step 4: Simplify right side
    11,863.35x = 107,365,935.10
  5. Step 5: Solve for x
    x = 107,365,935.10/11,863.35
  6. Step 6: Final answer
    x = 9,050.22

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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.