Home / 12,794.08-17,604.66-9,808.78

Finding the Fourth Proportional to 12,794.08, 17,604.66 and 9,808.78

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Solution

The fourth proportional to 12,794.08, 17,604.66 and 9,808.78 is: 13,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.08 : 17,604.66 = 9,808.78 : x
  2. Step 2: Convert to fraction form
    12,794.08/17,604.66 = 9,808.78/x
  3. Step 3: Cross multiply
    12,794.08x = 17,604.66 × 9,808.78
  4. Step 4: Simplify right side
    12,794.08x = 172,680,236.91
  5. Step 5: Solve for x
    x = 172,680,236.91/12,794.08
  6. Step 6: Final answer
    x = 13,496.89

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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.