Home / 17,649.36-26,474.28-7,786.56

Finding the Fourth Proportional to 17,649.36, 26,474.28 and 7,786.56

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Solution

The fourth proportional to 17,649.36, 26,474.28 and 7,786.56 is: 11,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.36 : 26,474.28 = 7,786.56 : x
  2. Step 2: Convert to fraction form
    17,649.36/26,474.28 = 7,786.56/x
  3. Step 3: Cross multiply
    17,649.36x = 26,474.28 × 7,786.56
  4. Step 4: Simplify right side
    17,649.36x = 206,143,569.68
  5. Step 5: Solve for x
    x = 206,143,569.68/17,649.36
  6. Step 6: Final answer
    x = 11,679.95

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