Home / 18,738.97-25,874.66-11,579.27

Finding the Fourth Proportional to 18,738.97, 25,874.66 and 11,579.27

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Solution

The fourth proportional to 18,738.97, 25,874.66 and 11,579.27 is: 15,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.97 : 25,874.66 = 11,579.27 : x
  2. Step 2: Convert to fraction form
    18,738.97/25,874.66 = 11,579.27/x
  3. Step 3: Cross multiply
    18,738.97x = 25,874.66 × 11,579.27
  4. Step 4: Simplify right side
    18,738.97x = 299,609,767.93
  5. Step 5: Solve for x
    x = 299,609,767.93/18,738.97
  6. Step 6: Final answer
    x = 15,988.60

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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.