Home / 18,514.37-27,706.97-15,143.66

Finding the Fourth Proportional to 18,514.37, 27,706.97 and 15,143.66

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Solution

The fourth proportional to 18,514.37, 27,706.97 and 15,143.66 is: 22,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.37 : 27,706.97 = 15,143.66 : x
  2. Step 2: Convert to fraction form
    18,514.37/27,706.97 = 15,143.66/x
  3. Step 3: Cross multiply
    18,514.37x = 27,706.97 × 15,143.66
  4. Step 4: Simplify right side
    18,514.37x = 419,584,832.63
  5. Step 5: Solve for x
    x = 419,584,832.63/18,514.37
  6. Step 6: Final answer
    x = 22,662.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.