Home / 14,179.68-21,269.51-3,791.16

Finding the Fourth Proportional to 14,179.68, 21,269.51 and 3,791.16

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Solution

The fourth proportional to 14,179.68, 21,269.51 and 3,791.16 is: 5,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.68 : 21,269.51 = 3,791.16 : x
  2. Step 2: Convert to fraction form
    14,179.68/21,269.51 = 3,791.16/x
  3. Step 3: Cross multiply
    14,179.68x = 21,269.51 × 3,791.16
  4. Step 4: Simplify right side
    14,179.68x = 80,636,052.36
  5. Step 5: Solve for x
    x = 80,636,052.36/14,179.68
  6. Step 6: Final answer
    x = 5,686.73

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Similar ratio
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1.5x scale

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.