Home / 14,249.55-21,375.54-3,720.97

Finding the Fourth Proportional to 14,249.55, 21,375.54 and 3,720.97

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Solution

The fourth proportional to 14,249.55, 21,375.54 and 3,720.97 is: 5,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.55 : 21,375.54 = 3,720.97 : x
  2. Step 2: Convert to fraction form
    14,249.55/21,375.54 = 3,720.97/x
  3. Step 3: Cross multiply
    14,249.55x = 21,375.54 × 3,720.97
  4. Step 4: Simplify right side
    14,249.55x = 79,537,743.07
  5. Step 5: Solve for x
    x = 79,537,743.07/14,249.55
  6. Step 6: Final answer
    x = 5,581.77

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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.