Home / 13,693.26-20,539.92-3,305

Finding the Fourth Proportional to 13,693.26, 20,539.92 and 3,305

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Solution

The fourth proportional to 13,693.26, 20,539.92 and 3,305 is: 4,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.26 : 20,539.92 = 3,305 : x
  2. Step 2: Convert to fraction form
    13,693.26/20,539.92 = 3,305/x
  3. Step 3: Cross multiply
    13,693.26x = 20,539.92 × 3,305
  4. Step 4: Simplify right side
    13,693.26x = 67,884,435.60
  5. Step 5: Solve for x
    x = 67,884,435.60/13,693.26
  6. Step 6: Final answer
    x = 4,957.51

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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.