Home / 20,125.76-27,773.46-11,173.34

Finding the Fourth Proportional to 20,125.76, 27,773.46 and 11,173.34

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Solution

The fourth proportional to 20,125.76, 27,773.46 and 11,173.34 is: 15,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.76 : 27,773.46 = 11,173.34 : x
  2. Step 2: Convert to fraction form
    20,125.76/27,773.46 = 11,173.34/x
  3. Step 3: Cross multiply
    20,125.76x = 27,773.46 × 11,173.34
  4. Step 4: Simplify right side
    20,125.76x = 310,322,311.56
  5. Step 5: Solve for x
    x = 310,322,311.56/20,125.76
  6. Step 6: Final answer
    x = 15,419.16

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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.