Home / 12,287.33-16,956.57-6,982.43

Finding the Fourth Proportional to 12,287.33, 16,956.57 and 6,982.43

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Solution

The fourth proportional to 12,287.33, 16,956.57 and 6,982.43 is: 9,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.33 : 16,956.57 = 6,982.43 : x
  2. Step 2: Convert to fraction form
    12,287.33/16,956.57 = 6,982.43/x
  3. Step 3: Cross multiply
    12,287.33x = 16,956.57 × 6,982.43
  4. Step 4: Simplify right side
    12,287.33x = 118,398,063.07
  5. Step 5: Solve for x
    x = 118,398,063.07/12,287.33
  6. Step 6: Final answer
    x = 9,635.78

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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.