Home / 11,660.55-16,091.09-6,355.25

Finding the Fourth Proportional to 11,660.55, 16,091.09 and 6,355.25

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Solution

The fourth proportional to 11,660.55, 16,091.09 and 6,355.25 is: 8,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.55 : 16,091.09 = 6,355.25 : x
  2. Step 2: Convert to fraction form
    11,660.55/16,091.09 = 6,355.25/x
  3. Step 3: Cross multiply
    11,660.55x = 16,091.09 × 6,355.25
  4. Step 4: Simplify right side
    11,660.55x = 102,262,899.72
  5. Step 5: Solve for x
    x = 102,262,899.72/11,660.55
  6. Step 6: Final answer
    x = 8,769.99

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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.