Home / 13,940.97-20,906.00-5,054.19

Finding the Fourth Proportional to 13,940.97, 20,906.00 and 5,054.19

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Solution

The fourth proportional to 13,940.97, 20,906.00 and 5,054.19 is: 7,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.97 : 20,906.00 = 5,054.19 : x
  2. Step 2: Convert to fraction form
    13,940.97/20,906.00 = 5,054.19/x
  3. Step 3: Cross multiply
    13,940.97x = 20,906.00 × 5,054.19
  4. Step 4: Simplify right side
    13,940.97x = 105,662,811.42
  5. Step 5: Solve for x
    x = 105,662,811.42/13,940.97
  6. Step 6: Final answer
    x = 7,579.30

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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.