Home / 12,608.33-17,398.80-6,942.87

Finding the Fourth Proportional to 12,608.33, 17,398.80 and 6,942.87

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Solution

The fourth proportional to 12,608.33, 17,398.80 and 6,942.87 is: 9,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.33 : 17,398.80 = 6,942.87 : x
  2. Step 2: Convert to fraction form
    12,608.33/17,398.80 = 6,942.87/x
  3. Step 3: Cross multiply
    12,608.33x = 17,398.80 × 6,942.87
  4. Step 4: Simplify right side
    12,608.33x = 120,797,606.56
  5. Step 5: Solve for x
    x = 120,797,606.56/12,608.33
  6. Step 6: Final answer
    x = 9,580.78

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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.