Home / 20,933.96-31,375.41-11,573.60

Finding the Fourth Proportional to 20,933.96, 31,375.41 and 11,573.60

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Solution

The fourth proportional to 20,933.96, 31,375.41 and 11,573.60 is: 17,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.96 : 31,375.41 = 11,573.60 : x
  2. Step 2: Convert to fraction form
    20,933.96/31,375.41 = 11,573.60/x
  3. Step 3: Cross multiply
    20,933.96x = 31,375.41 × 11,573.60
  4. Step 4: Simplify right side
    20,933.96x = 363,126,445.18
  5. Step 5: Solve for x
    x = 363,126,445.18/20,933.96
  6. Step 6: Final answer
    x = 17,346.29

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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.