Home / 12,028.91-18,044.06-5,455.62

Finding the Fourth Proportional to 12,028.91, 18,044.06 and 5,455.62

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Solution

The fourth proportional to 12,028.91, 18,044.06 and 5,455.62 is: 8,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.91 : 18,044.06 = 5,455.62 : x
  2. Step 2: Convert to fraction form
    12,028.91/18,044.06 = 5,455.62/x
  3. Step 3: Cross multiply
    12,028.91x = 18,044.06 × 5,455.62
  4. Step 4: Simplify right side
    12,028.91x = 98,441,507.34
  5. Step 5: Solve for x
    x = 98,441,507.34/12,028.91
  6. Step 6: Final answer
    x = 8,183.75

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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.