Home / 9,489.28-14,236.28-3,940.96

Finding the Fourth Proportional to 9,489.28, 14,236.28 and 3,940.96

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Solution

The fourth proportional to 9,489.28, 14,236.28 and 3,940.96 is: 5,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.28 : 14,236.28 = 3,940.96 : x
  2. Step 2: Convert to fraction form
    9,489.28/14,236.28 = 3,940.96/x
  3. Step 3: Cross multiply
    9,489.28x = 14,236.28 × 3,940.96
  4. Step 4: Simplify right side
    9,489.28x = 56,104,610.03
  5. Step 5: Solve for x
    x = 56,104,610.03/9,489.28
  6. Step 6: Final answer
    x = 5,912.42

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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.