Home / 20,958.62-31,409.30-11,584.76

Finding the Fourth Proportional to 20,958.62, 31,409.30 and 11,584.76

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Solution

The fourth proportional to 20,958.62, 31,409.30 and 11,584.76 is: 17,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958.62 : 31,409.30 = 11,584.76 : x
  2. Step 2: Convert to fraction form
    20,958.62/31,409.30 = 11,584.76/x
  3. Step 3: Cross multiply
    20,958.62x = 31,409.30 × 11,584.76
  4. Step 4: Simplify right side
    20,958.62x = 363,869,202.27
  5. Step 5: Solve for x
    x = 363,869,202.27/20,958.62
  6. Step 6: Final answer
    x = 17,361.31

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1.5x scale

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.