Home / 11,189.12-16,784.64-4,166.96

Finding the Fourth Proportional to 11,189.12, 16,784.64 and 4,166.96

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Solution

The fourth proportional to 11,189.12, 16,784.64 and 4,166.96 is: 6,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.12 : 16,784.64 = 4,166.96 : x
  2. Step 2: Convert to fraction form
    11,189.12/16,784.64 = 4,166.96/x
  3. Step 3: Cross multiply
    11,189.12x = 16,784.64 × 4,166.96
  4. Step 4: Simplify right side
    11,189.12x = 69,940,923.49
  5. Step 5: Solve for x
    x = 69,940,923.49/11,189.12
  6. Step 6: Final answer
    x = 6,250.80

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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.