Home / 20,194.72-27,865.96-11,241.05

Finding the Fourth Proportional to 20,194.72, 27,865.96 and 11,241.05

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Solution

The fourth proportional to 20,194.72, 27,865.96 and 11,241.05 is: 15,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.72 : 27,865.96 = 11,241.05 : x
  2. Step 2: Convert to fraction form
    20,194.72/27,865.96 = 11,241.05/x
  3. Step 3: Cross multiply
    20,194.72x = 27,865.96 × 11,241.05
  4. Step 4: Simplify right side
    20,194.72x = 313,242,482.23
  5. Step 5: Solve for x
    x = 313,242,482.23/20,194.72
  6. Step 6: Final answer
    x = 15,511.11

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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.