Home / 11,906.19-16,430.66-6,601.09

Finding the Fourth Proportional to 11,906.19, 16,430.66 and 6,601.09

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Solution

The fourth proportional to 11,906.19, 16,430.66 and 6,601.09 is: 9,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.19 : 16,430.66 = 6,601.09 : x
  2. Step 2: Convert to fraction form
    11,906.19/16,430.66 = 6,601.09/x
  3. Step 3: Cross multiply
    11,906.19x = 16,430.66 × 6,601.09
  4. Step 4: Simplify right side
    11,906.19x = 108,460,265.42
  5. Step 5: Solve for x
    x = 108,460,265.42/11,906.19
  6. Step 6: Final answer
    x = 9,109.57

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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.