Home / 11,451.91-17,172.43-4,435.21

Finding the Fourth Proportional to 11,451.91, 17,172.43 and 4,435.21

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Solution

The fourth proportional to 11,451.91, 17,172.43 and 4,435.21 is: 6,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.91 : 17,172.43 = 4,435.21 : x
  2. Step 2: Convert to fraction form
    11,451.91/17,172.43 = 4,435.21/x
  3. Step 3: Cross multiply
    11,451.91x = 17,172.43 × 4,435.21
  4. Step 4: Simplify right side
    11,451.91x = 76,163,259.52
  5. Step 5: Solve for x
    x = 76,163,259.52/11,451.91
  6. Step 6: Final answer
    x = 6,650.71

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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.