Home / 11,689.07-17,507.46-5,439.73

Finding the Fourth Proportional to 11,689.07, 17,507.46 and 5,439.73

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Solution

The fourth proportional to 11,689.07, 17,507.46 and 5,439.73 is: 8,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.07 : 17,507.46 = 5,439.73 : x
  2. Step 2: Convert to fraction form
    11,689.07/17,507.46 = 5,439.73/x
  3. Step 3: Cross multiply
    11,689.07x = 17,507.46 × 5,439.73
  4. Step 4: Simplify right side
    11,689.07x = 95,235,767.85
  5. Step 5: Solve for x
    x = 95,235,767.85/11,689.07
  6. Step 6: Final answer
    x = 8,147.42

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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.