Home / 13,969.97-20,954.52-4,109.43

Finding the Fourth Proportional to 13,969.97, 20,954.52 and 4,109.43

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Solution

The fourth proportional to 13,969.97, 20,954.52 and 4,109.43 is: 6,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.97 : 20,954.52 = 4,109.43 : x
  2. Step 2: Convert to fraction form
    13,969.97/20,954.52 = 4,109.43/x
  3. Step 3: Cross multiply
    13,969.97x = 20,954.52 × 4,109.43
  4. Step 4: Simplify right side
    13,969.97x = 86,111,133.12
  5. Step 5: Solve for x
    x = 86,111,133.12/13,969.97
  6. Step 6: Final answer
    x = 6,164.02

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1.5x scale

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.