Home / 12,722.13-17,553.92-8,245.26

Finding the Fourth Proportional to 12,722.13, 17,553.92 and 8,245.26

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Solution

The fourth proportional to 12,722.13, 17,553.92 and 8,245.26 is: 11,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.13 : 17,553.92 = 8,245.26 : x
  2. Step 2: Convert to fraction form
    12,722.13/17,553.92 = 8,245.26/x
  3. Step 3: Cross multiply
    12,722.13x = 17,553.92 × 8,245.26
  4. Step 4: Simplify right side
    12,722.13x = 144,736,593.19
  5. Step 5: Solve for x
    x = 144,736,593.19/12,722.13
  6. Step 6: Final answer
    x = 11,376.76

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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.