Home / 17,636.35-26,456.32-5,156.61

Finding the Fourth Proportional to 17,636.35, 26,456.32 and 5,156.61

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Solution

The fourth proportional to 17,636.35, 26,456.32 and 5,156.61 is: 7,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.35 : 26,456.32 = 5,156.61 : x
  2. Step 2: Convert to fraction form
    17,636.35/26,456.32 = 5,156.61/x
  3. Step 3: Cross multiply
    17,636.35x = 26,456.32 × 5,156.61
  4. Step 4: Simplify right side
    17,636.35x = 136,424,791.99
  5. Step 5: Solve for x
    x = 136,424,791.99/17,636.35
  6. Step 6: Final answer
    x = 7,735.43

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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.