Home / 11,610.80-16,022.84-6,305.56

Finding the Fourth Proportional to 11,610.80, 16,022.84 and 6,305.56

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Solution

The fourth proportional to 11,610.80, 16,022.84 and 6,305.56 is: 8,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.80 : 16,022.84 = 6,305.56 : x
  2. Step 2: Convert to fraction form
    11,610.80/16,022.84 = 6,305.56/x
  3. Step 3: Cross multiply
    11,610.80x = 16,022.84 × 6,305.56
  4. Step 4: Simplify right side
    11,610.80x = 101,032,978.99
  5. Step 5: Solve for x
    x = 101,032,978.99/11,610.80
  6. Step 6: Final answer
    x = 8,701.64

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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.