Home / 11,023.80-16,511.40-6,633.60

Finding the Fourth Proportional to 11,023.80, 16,511.40 and 6,633.60

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Solution

The fourth proportional to 11,023.80, 16,511.40 and 6,633.60 is: 9,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.80 : 16,511.40 = 6,633.60 : x
  2. Step 2: Convert to fraction form
    11,023.80/16,511.40 = 6,633.60/x
  3. Step 3: Cross multiply
    11,023.80x = 16,511.40 × 6,633.60
  4. Step 4: Simplify right side
    11,023.80x = 109,530,023.04
  5. Step 5: Solve for x
    x = 109,530,023.04/11,023.80
  6. Step 6: Final answer
    x = 9,935.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.