Home / 20,202.82-27,884.79-11,703.56

Finding the Fourth Proportional to 20,202.82, 27,884.79 and 11,703.56

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Solution

The fourth proportional to 20,202.82, 27,884.79 and 11,703.56 is: 16,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.82 : 27,884.79 = 11,703.56 : x
  2. Step 2: Convert to fraction form
    20,202.82/27,884.79 = 11,703.56/x
  3. Step 3: Cross multiply
    20,202.82x = 27,884.79 × 11,703.56
  4. Step 4: Simplify right side
    20,202.82x = 326,351,312.85
  5. Step 5: Solve for x
    x = 326,351,312.85/20,202.82
  6. Step 6: Final answer
    x = 16,153.75

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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.