Home / 12,027.29-18,044.57-5,451.71

Finding the Fourth Proportional to 12,027.29, 18,044.57 and 5,451.71

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Solution

The fourth proportional to 12,027.29, 18,044.57 and 5,451.71 is: 8,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.29 : 18,044.57 = 5,451.71 : x
  2. Step 2: Convert to fraction form
    12,027.29/18,044.57 = 5,451.71/x
  3. Step 3: Cross multiply
    12,027.29x = 18,044.57 × 5,451.71
  4. Step 4: Simplify right side
    12,027.29x = 98,373,686.12
  5. Step 5: Solve for x
    x = 98,373,686.12/12,027.29
  6. Step 6: Final answer
    x = 8,179.21

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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.