Home / 14,185.82-21,245.92-13,693.75

Finding the Fourth Proportional to 14,185.82, 21,245.92 and 13,693.75

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Solution

The fourth proportional to 14,185.82, 21,245.92 and 13,693.75 is: 20,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.82 : 21,245.92 = 13,693.75 : x
  2. Step 2: Convert to fraction form
    14,185.82/21,245.92 = 13,693.75/x
  3. Step 3: Cross multiply
    14,185.82x = 21,245.92 × 13,693.75
  4. Step 4: Simplify right side
    14,185.82x = 290,936,317
  5. Step 5: Solve for x
    x = 290,936,317/14,185.82
  6. Step 6: Final answer
    x = 20,508.95

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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.