Home / 13,664.25-18,853.43-7,694.73

Finding the Fourth Proportional to 13,664.25, 18,853.43 and 7,694.73

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Solution

The fourth proportional to 13,664.25, 18,853.43 and 7,694.73 is: 10,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.25 : 18,853.43 = 7,694.73 : x
  2. Step 2: Convert to fraction form
    13,664.25/18,853.43 = 7,694.73/x
  3. Step 3: Cross multiply
    13,664.25x = 18,853.43 × 7,694.73
  4. Step 4: Simplify right side
    13,664.25x = 145,072,014.95
  5. Step 5: Solve for x
    x = 145,072,014.95/13,664.25
  6. Step 6: Final answer
    x = 10,616.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.