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Finding the Fourth Proportional to 9,168.36, 13,744.12 and 3,323.56

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Solution

The fourth proportional to 9,168.36, 13,744.12 and 3,323.56 is: 4,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.36 : 13,744.12 = 3,323.56 : x
  2. Step 2: Convert to fraction form
    9,168.36/13,744.12 = 3,323.56/x
  3. Step 3: Cross multiply
    9,168.36x = 13,744.12 × 3,323.56
  4. Step 4: Simplify right side
    9,168.36x = 45,679,407.47
  5. Step 5: Solve for x
    x = 45,679,407.47/9,168.36
  6. Step 6: Final answer
    x = 4,982.29

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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.