Home / 11,661.22-16,091.84-6,625.30

Finding the Fourth Proportional to 11,661.22, 16,091.84 and 6,625.30

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Solution

The fourth proportional to 11,661.22, 16,091.84 and 6,625.30 is: 9,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.22 : 16,091.84 = 6,625.30 : x
  2. Step 2: Convert to fraction form
    11,661.22/16,091.84 = 6,625.30/x
  3. Step 3: Cross multiply
    11,661.22x = 16,091.84 × 6,625.30
  4. Step 4: Simplify right side
    11,661.22x = 106,613,267.55
  5. Step 5: Solve for x
    x = 106,613,267.55/11,661.22
  6. Step 6: Final answer
    x = 9,142.55

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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.