Home / 13,963.92-20,945.37-3,433.98

Finding the Fourth Proportional to 13,963.92, 20,945.37 and 3,433.98

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Solution

The fourth proportional to 13,963.92, 20,945.37 and 3,433.98 is: 5,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.92 : 20,945.37 = 3,433.98 : x
  2. Step 2: Convert to fraction form
    13,963.92/20,945.37 = 3,433.98/x
  3. Step 3: Cross multiply
    13,963.92x = 20,945.37 × 3,433.98
  4. Step 4: Simplify right side
    13,963.92x = 71,925,981.67
  5. Step 5: Solve for x
    x = 71,925,981.67/13,963.92
  6. Step 6: Final answer
    x = 5,150.84

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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.