Home / 18,202.12-27,313.79-7,671.49

Finding the Fourth Proportional to 18,202.12, 27,313.79 and 7,671.49

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Solution

The fourth proportional to 18,202.12, 27,313.79 and 7,671.49 is: 11,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.12 : 27,313.79 = 7,671.49 : x
  2. Step 2: Convert to fraction form
    18,202.12/27,313.79 = 7,671.49/x
  3. Step 3: Cross multiply
    18,202.12x = 27,313.79 × 7,671.49
  4. Step 4: Simplify right side
    18,202.12x = 209,537,557.00
  5. Step 5: Solve for x
    x = 209,537,557.00/18,202.12
  6. Step 6: Final answer
    x = 11,511.71

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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.