Home / 12,091.96-16,687.09-7,311.22

Finding the Fourth Proportional to 12,091.96, 16,687.09 and 7,311.22

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Solution

The fourth proportional to 12,091.96, 16,687.09 and 7,311.22 is: 10,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.96 : 16,687.09 = 7,311.22 : x
  2. Step 2: Convert to fraction form
    12,091.96/16,687.09 = 7,311.22/x
  3. Step 3: Cross multiply
    12,091.96x = 16,687.09 × 7,311.22
  4. Step 4: Simplify right side
    12,091.96x = 122,002,986.15
  5. Step 5: Solve for x
    x = 122,002,986.15/12,091.96
  6. Step 6: Final answer
    x = 10,089.60

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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.