Home / 18,662.42-27,999.56-5,514.86

Finding the Fourth Proportional to 18,662.42, 27,999.56 and 5,514.86

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Solution

The fourth proportional to 18,662.42, 27,999.56 and 5,514.86 is: 8,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.42 : 27,999.56 = 5,514.86 : x
  2. Step 2: Convert to fraction form
    18,662.42/27,999.56 = 5,514.86/x
  3. Step 3: Cross multiply
    18,662.42x = 27,999.56 × 5,514.86
  4. Step 4: Simplify right side
    18,662.42x = 154,413,527.25
  5. Step 5: Solve for x
    x = 154,413,527.25/18,662.42
  6. Step 6: Final answer
    x = 8,274.04

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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.