Home / 19,233.10-28,828.05-8,137.90

Finding the Fourth Proportional to 19,233.10, 28,828.05 and 8,137.90

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Solution

The fourth proportional to 19,233.10, 28,828.05 and 8,137.90 is: 12,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.10 : 28,828.05 = 8,137.90 : x
  2. Step 2: Convert to fraction form
    19,233.10/28,828.05 = 8,137.90/x
  3. Step 3: Cross multiply
    19,233.10x = 28,828.05 × 8,137.90
  4. Step 4: Simplify right side
    19,233.10x = 234,599,788.10
  5. Step 5: Solve for x
    x = 234,599,788.10/19,233.10
  6. Step 6: Final answer
    x = 12,197.71

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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.