Home / 12,996.36-17,930.16-8,522.56

Finding the Fourth Proportional to 12,996.36, 17,930.16 and 8,522.56

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Solution

The fourth proportional to 12,996.36, 17,930.16 and 8,522.56 is: 11,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.36 : 17,930.16 = 8,522.56 : x
  2. Step 2: Convert to fraction form
    12,996.36/17,930.16 = 8,522.56/x
  3. Step 3: Cross multiply
    12,996.36x = 17,930.16 × 8,522.56
  4. Step 4: Simplify right side
    12,996.36x = 152,810,864.41
  5. Step 5: Solve for x
    x = 152,810,864.41/12,996.36
  6. Step 6: Final answer
    x = 11,757.97

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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.