Home / 20,146.03-27,801.84-11,194.36

Finding the Fourth Proportional to 20,146.03, 27,801.84 and 11,194.36

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Solution

The fourth proportional to 20,146.03, 27,801.84 and 11,194.36 is: 15,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.03 : 27,801.84 = 11,194.36 : x
  2. Step 2: Convert to fraction form
    20,146.03/27,801.84 = 11,194.36/x
  3. Step 3: Cross multiply
    20,146.03x = 27,801.84 × 11,194.36
  4. Step 4: Simplify right side
    20,146.03x = 311,223,805.62
  5. Step 5: Solve for x
    x = 311,223,805.62/20,146.03
  6. Step 6: Final answer
    x = 15,448.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.