Home / 11,439.11-17,133.67-4,755.34

Finding the Fourth Proportional to 11,439.11, 17,133.67 and 4,755.34

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Solution

The fourth proportional to 11,439.11, 17,133.67 and 4,755.34 is: 7,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.11 : 17,133.67 = 4,755.34 : x
  2. Step 2: Convert to fraction form
    11,439.11/17,133.67 = 4,755.34/x
  3. Step 3: Cross multiply
    11,439.11x = 17,133.67 × 4,755.34
  4. Step 4: Simplify right side
    11,439.11x = 81,476,440.28
  5. Step 5: Solve for x
    x = 81,476,440.28/11,439.11
  6. Step 6: Final answer
    x = 7,122.62

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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.