Home / 12,202.58-18,305.01-3,437.48

Finding the Fourth Proportional to 12,202.58, 18,305.01 and 3,437.48

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Solution

The fourth proportional to 12,202.58, 18,305.01 and 3,437.48 is: 5,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.58 : 18,305.01 = 3,437.48 : x
  2. Step 2: Convert to fraction form
    12,202.58/18,305.01 = 3,437.48/x
  3. Step 3: Cross multiply
    12,202.58x = 18,305.01 × 3,437.48
  4. Step 4: Simplify right side
    12,202.58x = 62,923,014.25
  5. Step 5: Solve for x
    x = 62,923,014.25/12,202.58
  6. Step 6: Final answer
    x = 5,156.54

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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.