Home / 18,093.78-27,123.66-9,761.31

Finding the Fourth Proportional to 18,093.78, 27,123.66 and 9,761.31

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Solution

The fourth proportional to 18,093.78, 27,123.66 and 9,761.31 is: 14,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.78 : 27,123.66 = 9,761.31 : x
  2. Step 2: Convert to fraction form
    18,093.78/27,123.66 = 9,761.31/x
  3. Step 3: Cross multiply
    18,093.78x = 27,123.66 × 9,761.31
  4. Step 4: Simplify right side
    18,093.78x = 264,762,453.59
  5. Step 5: Solve for x
    x = 264,762,453.59/18,093.78
  6. Step 6: Final answer
    x = 14,632.79

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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.