Home / 11,212.58-16,813.92-4,189.88

Finding the Fourth Proportional to 11,212.58, 16,813.92 and 4,189.88

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Solution

The fourth proportional to 11,212.58, 16,813.92 and 4,189.88 is: 6,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.58 : 16,813.92 = 4,189.88 : x
  2. Step 2: Convert to fraction form
    11,212.58/16,813.92 = 4,189.88/x
  3. Step 3: Cross multiply
    11,212.58x = 16,813.92 × 4,189.88
  4. Step 4: Simplify right side
    11,212.58x = 70,448,307.13
  5. Step 5: Solve for x
    x = 70,448,307.13/11,212.58
  6. Step 6: Final answer
    x = 6,282.97

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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.