Home / 11,949.41-16,489.04-6,912.63

Finding the Fourth Proportional to 11,949.41, 16,489.04 and 6,912.63

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Solution

The fourth proportional to 11,949.41, 16,489.04 and 6,912.63 is: 9,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.41 : 16,489.04 = 6,912.63 : x
  2. Step 2: Convert to fraction form
    11,949.41/16,489.04 = 6,912.63/x
  3. Step 3: Cross multiply
    11,949.41x = 16,489.04 × 6,912.63
  4. Step 4: Simplify right side
    11,949.41x = 113,982,598.01
  5. Step 5: Solve for x
    x = 113,982,598.01/11,949.41
  6. Step 6: Final answer
    x = 9,538.76

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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.