Home / 11,208.28-16,822.80-5,665.54

Finding the Fourth Proportional to 11,208.28, 16,822.80 and 5,665.54

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Solution

The fourth proportional to 11,208.28, 16,822.80 and 5,665.54 is: 8,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.28 : 16,822.80 = 5,665.54 : x
  2. Step 2: Convert to fraction form
    11,208.28/16,822.80 = 5,665.54/x
  3. Step 3: Cross multiply
    11,208.28x = 16,822.80 × 5,665.54
  4. Step 4: Simplify right side
    11,208.28x = 95,310,246.31
  5. Step 5: Solve for x
    x = 95,310,246.31/11,208.28
  6. Step 6: Final answer
    x = 8,503.56

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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.