Home / 14,121.31-21,180.34-3,733.87

Finding the Fourth Proportional to 14,121.31, 21,180.34 and 3,733.87

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Solution

The fourth proportional to 14,121.31, 21,180.34 and 3,733.87 is: 5,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.31 : 21,180.34 = 3,733.87 : x
  2. Step 2: Convert to fraction form
    14,121.31/21,180.34 = 3,733.87/x
  3. Step 3: Cross multiply
    14,121.31x = 21,180.34 × 3,733.87
  4. Step 4: Simplify right side
    14,121.31x = 79,084,636.12
  5. Step 5: Solve for x
    x = 79,084,636.12/14,121.31
  6. Step 6: Final answer
    x = 5,600.38

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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.