Home / 11,067.21-15,272.55-6,351.12

Finding the Fourth Proportional to 11,067.21, 15,272.55 and 6,351.12

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Solution

The fourth proportional to 11,067.21, 15,272.55 and 6,351.12 is: 8,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.21 : 15,272.55 = 6,351.12 : x
  2. Step 2: Convert to fraction form
    11,067.21/15,272.55 = 6,351.12/x
  3. Step 3: Cross multiply
    11,067.21x = 15,272.55 × 6,351.12
  4. Step 4: Simplify right side
    11,067.21x = 96,997,797.76
  5. Step 5: Solve for x
    x = 96,997,797.76/11,067.21
  6. Step 6: Final answer
    x = 8,764.43

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Half scale
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Double scale
Find fourth proportional to 11,068.21, 15,273.93 and 6,352.12
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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.