Home / 14,119.70-21,179.19-3,731.54

Finding the Fourth Proportional to 14,119.70, 21,179.19 and 3,731.54

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Solution

The fourth proportional to 14,119.70, 21,179.19 and 3,731.54 is: 5,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.70 : 21,179.19 = 3,731.54 : x
  2. Step 2: Convert to fraction form
    14,119.70/21,179.19 = 3,731.54/x
  3. Step 3: Cross multiply
    14,119.70x = 21,179.19 × 3,731.54
  4. Step 4: Simplify right side
    14,119.70x = 79,030,923.05
  5. Step 5: Solve for x
    x = 79,030,923.05/14,119.70
  6. Step 6: Final answer
    x = 5,597.21

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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.