Home / 12,207.97-16,847.01-6,618.97

Finding the Fourth Proportional to 12,207.97, 16,847.01 and 6,618.97

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Solution

The fourth proportional to 12,207.97, 16,847.01 and 6,618.97 is: 9,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.97 : 16,847.01 = 6,618.97 : x
  2. Step 2: Convert to fraction form
    12,207.97/16,847.01 = 6,618.97/x
  3. Step 3: Cross multiply
    12,207.97x = 16,847.01 × 6,618.97
  4. Step 4: Simplify right side
    12,207.97x = 111,509,853.78
  5. Step 5: Solve for x
    x = 111,509,853.78/12,207.97
  6. Step 6: Final answer
    x = 9,134.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.