Home / 11,455.97-17,182.29-4,439.34

Finding the Fourth Proportional to 11,455.97, 17,182.29 and 4,439.34

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Solution

The fourth proportional to 11,455.97, 17,182.29 and 4,439.34 is: 6,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.97 : 17,182.29 = 4,439.34 : x
  2. Step 2: Convert to fraction form
    11,455.97/17,182.29 = 4,439.34/x
  3. Step 3: Cross multiply
    11,455.97x = 17,182.29 × 4,439.34
  4. Step 4: Simplify right side
    11,455.97x = 76,278,027.29
  5. Step 5: Solve for x
    x = 76,278,027.29/11,455.97
  6. Step 6: Final answer
    x = 6,658.37

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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.