Home / 11,412.60-17,121.56-3,514.80

Finding the Fourth Proportional to 11,412.60, 17,121.56 and 3,514.80

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Solution

The fourth proportional to 11,412.60, 17,121.56 and 3,514.80 is: 5,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.60 : 17,121.56 = 3,514.80 : x
  2. Step 2: Convert to fraction form
    11,412.60/17,121.56 = 3,514.80/x
  3. Step 3: Cross multiply
    11,412.60x = 17,121.56 × 3,514.80
  4. Step 4: Simplify right side
    11,412.60x = 60,178,859.09
  5. Step 5: Solve for x
    x = 60,178,859.09/11,412.60
  6. Step 6: Final answer
    x = 5,273.02

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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.