Home / 12,145.14-18,179.97-6,584.69

Finding the Fourth Proportional to 12,145.14, 18,179.97 and 6,584.69

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Solution

The fourth proportional to 12,145.14, 18,179.97 and 6,584.69 is: 9,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.14 : 18,179.97 = 6,584.69 : x
  2. Step 2: Convert to fraction form
    12,145.14/18,179.97 = 6,584.69/x
  3. Step 3: Cross multiply
    12,145.14x = 18,179.97 × 6,584.69
  4. Step 4: Simplify right side
    12,145.14x = 119,709,466.66
  5. Step 5: Solve for x
    x = 119,709,466.66/12,145.14
  6. Step 6: Final answer
    x = 9,856.58

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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.