Home / 11,331.71-16,997.49-4,406.21

Finding the Fourth Proportional to 11,331.71, 16,997.49 and 4,406.21

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Solution

The fourth proportional to 11,331.71, 16,997.49 and 4,406.21 is: 6,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.71 : 16,997.49 = 4,406.21 : x
  2. Step 2: Convert to fraction form
    11,331.71/16,997.49 = 4,406.21/x
  3. Step 3: Cross multiply
    11,331.71x = 16,997.49 × 4,406.21
  4. Step 4: Simplify right side
    11,331.71x = 74,894,467.92
  5. Step 5: Solve for x
    x = 74,894,467.92/11,331.71
  6. Step 6: Final answer
    x = 6,609.28

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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.