Home / 11,352.72-17,032-3,561.60

Finding the Fourth Proportional to 11,352.72, 17,032 and 3,561.60

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Solution

The fourth proportional to 11,352.72, 17,032 and 3,561.60 is: 5,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.72 : 17,032 = 3,561.60 : x
  2. Step 2: Convert to fraction form
    11,352.72/17,032 = 3,561.60/x
  3. Step 3: Cross multiply
    11,352.72x = 17,032 × 3,561.60
  4. Step 4: Simplify right side
    11,352.72x = 60,661,171.20
  5. Step 5: Solve for x
    x = 60,661,171.20/11,352.72
  6. Step 6: Final answer
    x = 5,343.32

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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.