Home / 14,119.80-21,175.37-4,757.31

Finding the Fourth Proportional to 14,119.80, 21,175.37 and 4,757.31

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Solution

The fourth proportional to 14,119.80, 21,175.37 and 4,757.31 is: 7,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.80 : 21,175.37 = 4,757.31 : x
  2. Step 2: Convert to fraction form
    14,119.80/21,175.37 = 4,757.31/x
  3. Step 3: Cross multiply
    14,119.80x = 21,175.37 × 4,757.31
  4. Step 4: Simplify right side
    14,119.80x = 100,737,799.45
  5. Step 5: Solve for x
    x = 100,737,799.45/14,119.80
  6. Step 6: Final answer
    x = 7,134.51

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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.