Home / 11,906.58-16,432.83-6,602.70

Finding the Fourth Proportional to 11,906.58, 16,432.83 and 6,602.70

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Solution

The fourth proportional to 11,906.58, 16,432.83 and 6,602.70 is: 9,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.58 : 16,432.83 = 6,602.70 : x
  2. Step 2: Convert to fraction form
    11,906.58/16,432.83 = 6,602.70/x
  3. Step 3: Cross multiply
    11,906.58x = 16,432.83 × 6,602.70
  4. Step 4: Simplify right side
    11,906.58x = 108,501,046.64
  5. Step 5: Solve for x
    x = 108,501,046.64/11,906.58
  6. Step 6: Final answer
    x = 9,112.70

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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.