Home / 13,724.73-20,587.14-3,336.48

Finding the Fourth Proportional to 13,724.73, 20,587.14 and 3,336.48

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Solution

The fourth proportional to 13,724.73, 20,587.14 and 3,336.48 is: 5,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.73 : 20,587.14 = 3,336.48 : x
  2. Step 2: Convert to fraction form
    13,724.73/20,587.14 = 3,336.48/x
  3. Step 3: Cross multiply
    13,724.73x = 20,587.14 × 3,336.48
  4. Step 4: Simplify right side
    13,724.73x = 68,688,580.87
  5. Step 5: Solve for x
    x = 68,688,580.87/13,724.73
  6. Step 6: Final answer
    x = 5,004.73

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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.