Home / 11,867.25-17,789.23-6,604.78

Finding the Fourth Proportional to 11,867.25, 17,789.23 and 6,604.78

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Solution

The fourth proportional to 11,867.25, 17,789.23 and 6,604.78 is: 9,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.25 : 17,789.23 = 6,604.78 : x
  2. Step 2: Convert to fraction form
    11,867.25/17,789.23 = 6,604.78/x
  3. Step 3: Cross multiply
    11,867.25x = 17,789.23 × 6,604.78
  4. Step 4: Simplify right side
    11,867.25x = 117,493,950.52
  5. Step 5: Solve for x
    x = 117,493,950.52/11,867.25
  6. Step 6: Final answer
    x = 9,900.69

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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.