Home / 11,863.60-16,371.73-6,558.41

Finding the Fourth Proportional to 11,863.60, 16,371.73 and 6,558.41

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Solution

The fourth proportional to 11,863.60, 16,371.73 and 6,558.41 is: 9,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.60 : 16,371.73 = 6,558.41 : x
  2. Step 2: Convert to fraction form
    11,863.60/16,371.73 = 6,558.41/x
  3. Step 3: Cross multiply
    11,863.60x = 16,371.73 × 6,558.41
  4. Step 4: Simplify right side
    11,863.60x = 107,372,517.75
  5. Step 5: Solve for x
    x = 107,372,517.75/11,863.60
  6. Step 6: Final answer
    x = 9,050.58

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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.