Home / 19,344.09-29,018.22-8,251.95

Finding the Fourth Proportional to 19,344.09, 29,018.22 and 8,251.95

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Solution

The fourth proportional to 19,344.09, 29,018.22 and 8,251.95 is: 12,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.09 : 29,018.22 = 8,251.95 : x
  2. Step 2: Convert to fraction form
    19,344.09/29,018.22 = 8,251.95/x
  3. Step 3: Cross multiply
    19,344.09x = 29,018.22 × 8,251.95
  4. Step 4: Simplify right side
    19,344.09x = 239,456,900.53
  5. Step 5: Solve for x
    x = 239,456,900.53/19,344.09
  6. Step 6: Final answer
    x = 12,378.81

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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.