Home / 11,575.96-15,974.72-6,540.09

Finding the Fourth Proportional to 11,575.96, 15,974.72 and 6,540.09

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Solution

The fourth proportional to 11,575.96, 15,974.72 and 6,540.09 is: 9,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.96 : 15,974.72 = 6,540.09 : x
  2. Step 2: Convert to fraction form
    11,575.96/15,974.72 = 6,540.09/x
  3. Step 3: Cross multiply
    11,575.96x = 15,974.72 × 6,540.09
  4. Step 4: Simplify right side
    11,575.96x = 104,476,128.30
  5. Step 5: Solve for x
    x = 104,476,128.30/11,575.96
  6. Step 6: Final answer
    x = 9,025.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.