Home / 13,932.50-20,899.97-3,544.25

Finding the Fourth Proportional to 13,932.50, 20,899.97 and 3,544.25

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Solution

The fourth proportional to 13,932.50, 20,899.97 and 3,544.25 is: 5,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.50 : 20,899.97 = 3,544.25 : x
  2. Step 2: Convert to fraction form
    13,932.50/20,899.97 = 3,544.25/x
  3. Step 3: Cross multiply
    13,932.50x = 20,899.97 × 3,544.25
  4. Step 4: Simplify right side
    13,932.50x = 74,074,700.95
  5. Step 5: Solve for x
    x = 74,074,700.95/13,932.50
  6. Step 6: Final answer
    x = 5,316.68

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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.