Home / 18,137.46-27,202.98-4,986.66

Finding the Fourth Proportional to 18,137.46, 27,202.98 and 4,986.66

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Solution

The fourth proportional to 18,137.46, 27,202.98 and 4,986.66 is: 7,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.46 : 27,202.98 = 4,986.66 : x
  2. Step 2: Convert to fraction form
    18,137.46/27,202.98 = 4,986.66/x
  3. Step 3: Cross multiply
    18,137.46x = 27,202.98 × 4,986.66
  4. Step 4: Simplify right side
    18,137.46x = 135,652,012.25
  5. Step 5: Solve for x
    x = 135,652,012.25/18,137.46
  6. Step 6: Final answer
    x = 7,479.11

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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.