Home / 22,519.11-31,072.10-14,131.83

Finding the Fourth Proportional to 22,519.11, 31,072.10 and 14,131.83

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Solution

The fourth proportional to 22,519.11, 31,072.10 and 14,131.83 is: 19,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.11 : 31,072.10 = 14,131.83 : x
  2. Step 2: Convert to fraction form
    22,519.11/31,072.10 = 14,131.83/x
  3. Step 3: Cross multiply
    22,519.11x = 31,072.10 × 14,131.83
  4. Step 4: Simplify right side
    22,519.11x = 439,105,564.28
  5. Step 5: Solve for x
    x = 439,105,564.28/22,519.11
  6. Step 6: Final answer
    x = 19,499.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.