Home / 11,669.52-16,091.64-8,269.68

Finding the Fourth Proportional to 11,669.52, 16,091.64 and 8,269.68

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Solution

The fourth proportional to 11,669.52, 16,091.64 and 8,269.68 is: 11,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.52 : 16,091.64 = 8,269.68 : x
  2. Step 2: Convert to fraction form
    11,669.52/16,091.64 = 8,269.68/x
  3. Step 3: Cross multiply
    11,669.52x = 16,091.64 × 8,269.68
  4. Step 4: Simplify right side
    11,669.52x = 133,072,713.48
  5. Step 5: Solve for x
    x = 133,072,713.48/11,669.52
  6. Step 6: Final answer
    x = 11,403.44

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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.