Home / 19,786.29-29,679.44-9,395.61

Finding the Fourth Proportional to 19,786.29, 29,679.44 and 9,395.61

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Solution

The fourth proportional to 19,786.29, 29,679.44 and 9,395.61 is: 14,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.29 : 29,679.44 = 9,395.61 : x
  2. Step 2: Convert to fraction form
    19,786.29/29,679.44 = 9,395.61/x
  3. Step 3: Cross multiply
    19,786.29x = 29,679.44 × 9,395.61
  4. Step 4: Simplify right side
    19,786.29x = 278,856,396.28
  5. Step 5: Solve for x
    x = 278,856,396.28/19,786.29
  6. Step 6: Final answer
    x = 14,093.42

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1.5x scale

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.