Home / 18,120.44-25,007.82-10,667

Finding the Fourth Proportional to 18,120.44, 25,007.82 and 10,667

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Solution

The fourth proportional to 18,120.44, 25,007.82 and 10,667 is: 14,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.44 : 25,007.82 = 10,667 : x
  2. Step 2: Convert to fraction form
    18,120.44/25,007.82 = 10,667/x
  3. Step 3: Cross multiply
    18,120.44x = 25,007.82 × 10,667
  4. Step 4: Simplify right side
    18,120.44x = 266,758,415.94
  5. Step 5: Solve for x
    x = 266,758,415.94/18,120.44
  6. Step 6: Final answer
    x = 14,721.41

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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.