Home / 11,161.70-16,732.92-6,416.85

Finding the Fourth Proportional to 11,161.70, 16,732.92 and 6,416.85

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Solution

The fourth proportional to 11,161.70, 16,732.92 and 6,416.85 is: 9,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.70 : 16,732.92 = 6,416.85 : x
  2. Step 2: Convert to fraction form
    11,161.70/16,732.92 = 6,416.85/x
  3. Step 3: Cross multiply
    11,161.70x = 16,732.92 × 6,416.85
  4. Step 4: Simplify right side
    11,161.70x = 107,372,637.70
  5. Step 5: Solve for x
    x = 107,372,637.70/11,161.70
  6. Step 6: Final answer
    x = 9,619.74

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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.