Home / 11,660.15-16,091.43-6,625.22

Finding the Fourth Proportional to 11,660.15, 16,091.43 and 6,625.22

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Solution

The fourth proportional to 11,660.15, 16,091.43 and 6,625.22 is: 9,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.15 : 16,091.43 = 6,625.22 : x
  2. Step 2: Convert to fraction form
    11,660.15/16,091.43 = 6,625.22/x
  3. Step 3: Cross multiply
    11,660.15x = 16,091.43 × 6,625.22
  4. Step 4: Simplify right side
    11,660.15x = 106,609,268.59
  5. Step 5: Solve for x
    x = 106,609,268.59/11,660.15
  6. Step 6: Final answer
    x = 9,143.05

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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.