Home / 14,120.62-21,183.66-7,102.17

Finding the Fourth Proportional to 14,120.62, 21,183.66 and 7,102.17

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Solution

The fourth proportional to 14,120.62, 21,183.66 and 7,102.17 is: 10,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.62 : 21,183.66 = 7,102.17 : x
  2. Step 2: Convert to fraction form
    14,120.62/21,183.66 = 7,102.17/x
  3. Step 3: Cross multiply
    14,120.62x = 21,183.66 × 7,102.17
  4. Step 4: Simplify right side
    14,120.62x = 150,449,954.54
  5. Step 5: Solve for x
    x = 150,449,954.54/14,120.62
  6. Step 6: Final answer
    x = 10,654.63

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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.