Home / 10,418.96-15,628.40-2,627.75

Finding the Fourth Proportional to 10,418.96, 15,628.40 and 2,627.75

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Solution

The fourth proportional to 10,418.96, 15,628.40 and 2,627.75 is: 3,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.96 : 15,628.40 = 2,627.75 : x
  2. Step 2: Convert to fraction form
    10,418.96/15,628.40 = 2,627.75/x
  3. Step 3: Cross multiply
    10,418.96x = 15,628.40 × 2,627.75
  4. Step 4: Simplify right side
    10,418.96x = 41,067,514.96
  5. Step 5: Solve for x
    x = 41,067,514.96/10,418.96
  6. Step 6: Final answer
    x = 3,941.61

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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.