Home / 11,222.55-16,866.63-11,091.33

Finding the Fourth Proportional to 11,222.55, 16,866.63 and 11,091.33

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Solution

The fourth proportional to 11,222.55, 16,866.63 and 11,091.33 is: 16,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.55 : 16,866.63 = 11,091.33 : x
  2. Step 2: Convert to fraction form
    11,222.55/16,866.63 = 11,091.33/x
  3. Step 3: Cross multiply
    11,222.55x = 16,866.63 × 11,091.33
  4. Step 4: Simplify right side
    11,222.55x = 187,073,359.32
  5. Step 5: Solve for x
    x = 187,073,359.32/11,222.55
  6. Step 6: Final answer
    x = 16,669.42

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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.