Home / 17,388.36-26,060.66-12,467.61

Finding the Fourth Proportional to 17,388.36, 26,060.66 and 12,467.61

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Solution

The fourth proportional to 17,388.36, 26,060.66 and 12,467.61 is: 18,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.36 : 26,060.66 = 12,467.61 : x
  2. Step 2: Convert to fraction form
    17,388.36/26,060.66 = 12,467.61/x
  3. Step 3: Cross multiply
    17,388.36x = 26,060.66 × 12,467.61
  4. Step 4: Simplify right side
    17,388.36x = 324,914,082.88
  5. Step 5: Solve for x
    x = 324,914,082.88/17,388.36
  6. Step 6: Final answer
    x = 18,685.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.