Home / 12,018.36-18,028.68-3,253.32

Finding the Fourth Proportional to 12,018.36, 18,028.68 and 3,253.32

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Solution

The fourth proportional to 12,018.36, 18,028.68 and 3,253.32 is: 4,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.36 : 18,028.68 = 3,253.32 : x
  2. Step 2: Convert to fraction form
    12,018.36/18,028.68 = 3,253.32/x
  3. Step 3: Cross multiply
    12,018.36x = 18,028.68 × 3,253.32
  4. Step 4: Simplify right side
    12,018.36x = 58,653,065.22
  5. Step 5: Solve for x
    x = 58,653,065.22/12,018.36
  6. Step 6: Final answer
    x = 4,880.29

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1.5x scale

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.