Home / 9,121.22-13,664.13-5,991.73

Finding the Fourth Proportional to 9,121.22, 13,664.13 and 5,991.73

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Solution

The fourth proportional to 9,121.22, 13,664.13 and 5,991.73 is: 8,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.22 : 13,664.13 = 5,991.73 : x
  2. Step 2: Convert to fraction form
    9,121.22/13,664.13 = 5,991.73/x
  3. Step 3: Cross multiply
    9,121.22x = 13,664.13 × 5,991.73
  4. Step 4: Simplify right side
    9,121.22x = 81,871,721.02
  5. Step 5: Solve for x
    x = 81,871,721.02/9,121.22
  6. Step 6: Final answer
    x = 8,975.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.