Home / 11,660.31-16,091.32-6,355.11

Finding the Fourth Proportional to 11,660.31, 16,091.32 and 6,355.11

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Solution

The fourth proportional to 11,660.31, 16,091.32 and 6,355.11 is: 8,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.31 : 16,091.32 = 6,355.11 : x
  2. Step 2: Convert to fraction form
    11,660.31/16,091.32 = 6,355.11/x
  3. Step 3: Cross multiply
    11,660.31x = 16,091.32 × 6,355.11
  4. Step 4: Simplify right side
    11,660.31x = 102,262,092.76
  5. Step 5: Solve for x
    x = 102,262,092.76/11,660.31
  6. Step 6: Final answer
    x = 8,770.10

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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.