Home / 11,425.35-17,127.09-5,578.77

Finding the Fourth Proportional to 11,425.35, 17,127.09 and 5,578.77

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Solution

The fourth proportional to 11,425.35, 17,127.09 and 5,578.77 is: 8,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.35 : 17,127.09 = 5,578.77 : x
  2. Step 2: Convert to fraction form
    11,425.35/17,127.09 = 5,578.77/x
  3. Step 3: Cross multiply
    11,425.35x = 17,127.09 × 5,578.77
  4. Step 4: Simplify right side
    11,425.35x = 95,548,095.88
  5. Step 5: Solve for x
    x = 95,548,095.88/11,425.35
  6. Step 6: Final answer
    x = 8,362.82

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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.