Home / 11,717.16-17,575.92-4,323.36

Finding the Fourth Proportional to 11,717.16, 17,575.92 and 4,323.36

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Solution

The fourth proportional to 11,717.16, 17,575.92 and 4,323.36 is: 6,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.16 : 17,575.92 = 4,323.36 : x
  2. Step 2: Convert to fraction form
    11,717.16/17,575.92 = 4,323.36/x
  3. Step 3: Cross multiply
    11,717.16x = 17,575.92 × 4,323.36
  4. Step 4: Simplify right side
    11,717.16x = 75,987,029.49
  5. Step 5: Solve for x
    x = 75,987,029.49/11,717.16
  6. Step 6: Final answer
    x = 6,485.11

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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.