Home / 18,106.63-27,171.99-7,441.73

Finding the Fourth Proportional to 18,106.63, 27,171.99 and 7,441.73

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Solution

The fourth proportional to 18,106.63, 27,171.99 and 7,441.73 is: 11,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.63 : 27,171.99 = 7,441.73 : x
  2. Step 2: Convert to fraction form
    18,106.63/27,171.99 = 7,441.73/x
  3. Step 3: Cross multiply
    18,106.63x = 27,171.99 × 7,441.73
  4. Step 4: Simplify right side
    18,106.63x = 202,206,569.88
  5. Step 5: Solve for x
    x = 202,206,569.88/18,106.63
  6. Step 6: Final answer
    x = 11,167.55

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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.