Home / 11,212.62-15,361.36-10,792.23

Finding the Fourth Proportional to 11,212.62, 15,361.36 and 10,792.23

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Solution

The fourth proportional to 11,212.62, 15,361.36 and 10,792.23 is: 14,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.62 : 15,361.36 = 10,792.23 : x
  2. Step 2: Convert to fraction form
    11,212.62/15,361.36 = 10,792.23/x
  3. Step 3: Cross multiply
    11,212.62x = 15,361.36 × 10,792.23
  4. Step 4: Simplify right side
    11,212.62x = 165,783,330.23
  5. Step 5: Solve for x
    x = 165,783,330.23/11,212.62
  6. Step 6: Final answer
    x = 14,785.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.