Home / 12,027.90-18,040.23-4,530.54

Finding the Fourth Proportional to 12,027.90, 18,040.23 and 4,530.54

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Solution

The fourth proportional to 12,027.90, 18,040.23 and 4,530.54 is: 6,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.90 : 18,040.23 = 4,530.54 : x
  2. Step 2: Convert to fraction form
    12,027.90/18,040.23 = 4,530.54/x
  3. Step 3: Cross multiply
    12,027.90x = 18,040.23 × 4,530.54
  4. Step 4: Simplify right side
    12,027.90x = 81,731,983.62
  5. Step 5: Solve for x
    x = 81,731,983.62/12,027.90
  6. Step 6: Final answer
    x = 6,795.20

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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.