Home / 11,273.36-16,909.32-3,881.36

Finding the Fourth Proportional to 11,273.36, 16,909.32 and 3,881.36

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Solution

The fourth proportional to 11,273.36, 16,909.32 and 3,881.36 is: 5,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.36 : 16,909.32 = 3,881.36 : x
  2. Step 2: Convert to fraction form
    11,273.36/16,909.32 = 3,881.36/x
  3. Step 3: Cross multiply
    11,273.36x = 16,909.32 × 3,881.36
  4. Step 4: Simplify right side
    11,273.36x = 65,631,158.28
  5. Step 5: Solve for x
    x = 65,631,158.28/11,273.36
  6. Step 6: Final answer
    x = 5,821.79

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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.