Home / 19,691.24-29,503.99-13,837.37

Finding the Fourth Proportional to 19,691.24, 29,503.99 and 13,837.37

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Solution

The fourth proportional to 19,691.24, 29,503.99 and 13,837.37 is: 20,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.24 : 29,503.99 = 13,837.37 : x
  2. Step 2: Convert to fraction form
    19,691.24/29,503.99 = 13,837.37/x
  3. Step 3: Cross multiply
    19,691.24x = 29,503.99 × 13,837.37
  4. Step 4: Simplify right side
    19,691.24x = 408,257,443.99
  5. Step 5: Solve for x
    x = 408,257,443.99/19,691.24
  6. Step 6: Final answer
    x = 20,732.95

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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.