Home / 18,738.80-25,859.82-10,241.09

Finding the Fourth Proportional to 18,738.80, 25,859.82 and 10,241.09

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Solution

The fourth proportional to 18,738.80, 25,859.82 and 10,241.09 is: 14,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.80 : 25,859.82 = 10,241.09 : x
  2. Step 2: Convert to fraction form
    18,738.80/25,859.82 = 10,241.09/x
  3. Step 3: Cross multiply
    18,738.80x = 25,859.82 × 10,241.09
  4. Step 4: Simplify right side
    18,738.80x = 264,832,744.00
  5. Step 5: Solve for x
    x = 264,832,744.00/18,738.80
  6. Step 6: Final answer
    x = 14,132.86

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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.