Home / 11,911.96-16,439.33-6,607.27

Finding the Fourth Proportional to 11,911.96, 16,439.33 and 6,607.27

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Solution

The fourth proportional to 11,911.96, 16,439.33 and 6,607.27 is: 9,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.96 : 16,439.33 = 6,607.27 : x
  2. Step 2: Convert to fraction form
    11,911.96/16,439.33 = 6,607.27/x
  3. Step 3: Cross multiply
    11,911.96x = 16,439.33 × 6,607.27
  4. Step 4: Simplify right side
    11,911.96x = 108,618,976.70
  5. Step 5: Solve for x
    x = 108,618,976.70/11,911.96
  6. Step 6: Final answer
    x = 9,118.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.