Home / 11,942.19-17,912.34-4,920.30

Finding the Fourth Proportional to 11,942.19, 17,912.34 and 4,920.30

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Solution

The fourth proportional to 11,942.19, 17,912.34 and 4,920.30 is: 7,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.19 : 17,912.34 = 4,920.30 : x
  2. Step 2: Convert to fraction form
    11,942.19/17,912.34 = 4,920.30/x
  3. Step 3: Cross multiply
    11,942.19x = 17,912.34 × 4,920.30
  4. Step 4: Simplify right side
    11,942.19x = 88,134,086.50
  5. Step 5: Solve for x
    x = 88,134,086.50/11,942.19
  6. Step 6: Final answer
    x = 7,380.06

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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.