Home / 11,009.36-16,504.32-4,079

Finding the Fourth Proportional to 11,009.36, 16,504.32 and 4,079

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Solution

The fourth proportional to 11,009.36, 16,504.32 and 4,079 is: 6,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.36 : 16,504.32 = 4,079 : x
  2. Step 2: Convert to fraction form
    11,009.36/16,504.32 = 4,079/x
  3. Step 3: Cross multiply
    11,009.36x = 16,504.32 × 4,079
  4. Step 4: Simplify right side
    11,009.36x = 67,321,121.28
  5. Step 5: Solve for x
    x = 67,321,121.28/11,009.36
  6. Step 6: Final answer
    x = 6,114.90

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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.