Home / 23,175.78-31,984.41-13,106.34

Finding the Fourth Proportional to 23,175.78, 31,984.41 and 13,106.34

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Solution

The fourth proportional to 23,175.78, 31,984.41 and 13,106.34 is: 18,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.78 : 31,984.41 = 13,106.34 : x
  2. Step 2: Convert to fraction form
    23,175.78/31,984.41 = 13,106.34/x
  3. Step 3: Cross multiply
    23,175.78x = 31,984.41 × 13,106.34
  4. Step 4: Simplify right side
    23,175.78x = 419,198,552.16
  5. Step 5: Solve for x
    x = 419,198,552.16/23,175.78
  6. Step 6: Final answer
    x = 18,087.79

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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.