Home / 11,190.55-16,790.37-5,645.50

Finding the Fourth Proportional to 11,190.55, 16,790.37 and 5,645.50

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Solution

The fourth proportional to 11,190.55, 16,790.37 and 5,645.50 is: 8,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.55 : 16,790.37 = 5,645.50 : x
  2. Step 2: Convert to fraction form
    11,190.55/16,790.37 = 5,645.50/x
  3. Step 3: Cross multiply
    11,190.55x = 16,790.37 × 5,645.50
  4. Step 4: Simplify right side
    11,190.55x = 94,790,033.84
  5. Step 5: Solve for x
    x = 94,790,033.84/11,190.55
  6. Step 6: Final answer
    x = 8,470.54

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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.