Home / 18,127.94-27,188.66-11,534.54

Finding the Fourth Proportional to 18,127.94, 27,188.66 and 11,534.54

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Solution

The fourth proportional to 18,127.94, 27,188.66 and 11,534.54 is: 17,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.94 : 27,188.66 = 11,534.54 : x
  2. Step 2: Convert to fraction form
    18,127.94/27,188.66 = 11,534.54/x
  3. Step 3: Cross multiply
    18,127.94x = 27,188.66 × 11,534.54
  4. Step 4: Simplify right side
    18,127.94x = 313,608,579.21
  5. Step 5: Solve for x
    x = 313,608,579.21/18,127.94
  6. Step 6: Final answer
    x = 17,299.74

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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.