Home / 13,864.60-20,792.79-4,003.96

Finding the Fourth Proportional to 13,864.60, 20,792.79 and 4,003.96

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Solution

The fourth proportional to 13,864.60, 20,792.79 and 4,003.96 is: 6,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.60 : 20,792.79 = 4,003.96 : x
  2. Step 2: Convert to fraction form
    13,864.60/20,792.79 = 4,003.96/x
  3. Step 3: Cross multiply
    13,864.60x = 20,792.79 × 4,003.96
  4. Step 4: Simplify right side
    13,864.60x = 83,253,499.45
  5. Step 5: Solve for x
    x = 83,253,499.45/13,864.60
  6. Step 6: Final answer
    x = 6,004.75

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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.