Home / 12,250.62-18,379.00-3,485.53

Finding the Fourth Proportional to 12,250.62, 18,379.00 and 3,485.53

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Solution

The fourth proportional to 12,250.62, 18,379.00 and 3,485.53 is: 5,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.62 : 18,379.00 = 3,485.53 : x
  2. Step 2: Convert to fraction form
    12,250.62/18,379.00 = 3,485.53/x
  3. Step 3: Cross multiply
    12,250.62x = 18,379.00 × 3,485.53
  4. Step 4: Simplify right side
    12,250.62x = 64,060,583.20
  5. Step 5: Solve for x
    x = 64,060,583.20/12,250.62
  6. Step 6: Final answer
    x = 5,229.17

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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.