Home / 12,018.47-18,028.04-3,253.37

Finding the Fourth Proportional to 12,018.47, 18,028.04 and 3,253.37

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Solution

The fourth proportional to 12,018.47, 18,028.04 and 3,253.37 is: 4,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.47 : 18,028.04 = 3,253.37 : x
  2. Step 2: Convert to fraction form
    12,018.47/18,028.04 = 3,253.37/x
  3. Step 3: Cross multiply
    12,018.47x = 18,028.04 × 3,253.37
  4. Step 4: Simplify right side
    12,018.47x = 58,651,778.09
  5. Step 5: Solve for x
    x = 58,651,778.09/12,018.47
  6. Step 6: Final answer
    x = 4,880.14

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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.