Home / 12,843.21-19,251.62-6,169.69

Finding the Fourth Proportional to 12,843.21, 19,251.62 and 6,169.69

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Solution

The fourth proportional to 12,843.21, 19,251.62 and 6,169.69 is: 9,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.21 : 19,251.62 = 6,169.69 : x
  2. Step 2: Convert to fraction form
    12,843.21/19,251.62 = 6,169.69/x
  3. Step 3: Cross multiply
    12,843.21x = 19,251.62 × 6,169.69
  4. Step 4: Simplify right side
    12,843.21x = 118,776,632.60
  5. Step 5: Solve for x
    x = 118,776,632.60/12,843.21
  6. Step 6: Final answer
    x = 9,248.21

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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.