Home / 11,161.28-16,735.44-4,232

Finding the Fourth Proportional to 11,161.28, 16,735.44 and 4,232

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Solution

The fourth proportional to 11,161.28, 16,735.44 and 4,232 is: 6,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.28 : 16,735.44 = 4,232 : x
  2. Step 2: Convert to fraction form
    11,161.28/16,735.44 = 4,232/x
  3. Step 3: Cross multiply
    11,161.28x = 16,735.44 × 4,232
  4. Step 4: Simplify right side
    11,161.28x = 70,824,382.08
  5. Step 5: Solve for x
    x = 70,824,382.08/11,161.28
  6. Step 6: Final answer
    x = 6,345.54

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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.