Home / 13,622.97-18,801.92-11,350.70

Finding the Fourth Proportional to 13,622.97, 18,801.92 and 11,350.70

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Solution

The fourth proportional to 13,622.97, 18,801.92 and 11,350.70 is: 15,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.97 : 18,801.92 = 11,350.70 : x
  2. Step 2: Convert to fraction form
    13,622.97/18,801.92 = 11,350.70/x
  3. Step 3: Cross multiply
    13,622.97x = 18,801.92 × 11,350.70
  4. Step 4: Simplify right side
    13,622.97x = 213,414,953.34
  5. Step 5: Solve for x
    x = 213,414,953.34/13,622.97
  6. Step 6: Final answer
    x = 15,665.82

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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.