Home / 11,514.32-17,273.64-7,971.38

Finding the Fourth Proportional to 11,514.32, 17,273.64 and 7,971.38

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Solution

The fourth proportional to 11,514.32, 17,273.64 and 7,971.38 is: 11,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.32 : 17,273.64 = 7,971.38 : x
  2. Step 2: Convert to fraction form
    11,514.32/17,273.64 = 7,971.38/x
  3. Step 3: Cross multiply
    11,514.32x = 17,273.64 × 7,971.38
  4. Step 4: Simplify right side
    11,514.32x = 137,694,748.42
  5. Step 5: Solve for x
    x = 137,694,748.42/11,514.32
  6. Step 6: Final answer
    x = 11,958.57

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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.