Home / 18,069.37-27,101.32-4,922.78

Finding the Fourth Proportional to 18,069.37, 27,101.32 and 4,922.78

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Solution

The fourth proportional to 18,069.37, 27,101.32 and 4,922.78 is: 7,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.37 : 27,101.32 = 4,922.78 : x
  2. Step 2: Convert to fraction form
    18,069.37/27,101.32 = 4,922.78/x
  3. Step 3: Cross multiply
    18,069.37x = 27,101.32 × 4,922.78
  4. Step 4: Simplify right side
    18,069.37x = 133,413,688.26
  5. Step 5: Solve for x
    x = 133,413,688.26/18,069.37
  6. Step 6: Final answer
    x = 7,383.42

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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.