Home / 21,071.18-31,634.22-14,096

Finding the Fourth Proportional to 21,071.18, 31,634.22 and 14,096

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Solution

The fourth proportional to 21,071.18, 31,634.22 and 14,096 is: 21,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071.18 : 31,634.22 = 14,096 : x
  2. Step 2: Convert to fraction form
    21,071.18/31,634.22 = 14,096/x
  3. Step 3: Cross multiply
    21,071.18x = 31,634.22 × 14,096
  4. Step 4: Simplify right side
    21,071.18x = 445,915,965.12
  5. Step 5: Solve for x
    x = 445,915,965.12/21,071.18
  6. Step 6: Final answer
    x = 21,162.36

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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.