Home / 18,149.69-25,043.87-10,190.38

Finding the Fourth Proportional to 18,149.69, 25,043.87 and 10,190.38

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Solution

The fourth proportional to 18,149.69, 25,043.87 and 10,190.38 is: 14,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.69 : 25,043.87 = 10,190.38 : x
  2. Step 2: Convert to fraction form
    18,149.69/25,043.87 = 10,190.38/x
  3. Step 3: Cross multiply
    18,149.69x = 25,043.87 × 10,190.38
  4. Step 4: Simplify right side
    18,149.69x = 255,206,551.97
  5. Step 5: Solve for x
    x = 255,206,551.97/18,149.69
  6. Step 6: Final answer
    x = 14,061.21

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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.