Home / 11,908.08-16,431.75-6,601.59

Finding the Fourth Proportional to 11,908.08, 16,431.75 and 6,601.59

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Solution

The fourth proportional to 11,908.08, 16,431.75 and 6,601.59 is: 9,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.08 : 16,431.75 = 6,601.59 : x
  2. Step 2: Convert to fraction form
    11,908.08/16,431.75 = 6,601.59/x
  3. Step 3: Cross multiply
    11,908.08x = 16,431.75 × 6,601.59
  4. Step 4: Simplify right side
    11,908.08x = 108,475,676.48
  5. Step 5: Solve for x
    x = 108,475,676.48/11,908.08
  6. Step 6: Final answer
    x = 9,109.42

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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.