Home / 11,191.92-16,790.64-3,400.32

Finding the Fourth Proportional to 11,191.92, 16,790.64 and 3,400.32

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Solution

The fourth proportional to 11,191.92, 16,790.64 and 3,400.32 is: 5,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.92 : 16,790.64 = 3,400.32 : x
  2. Step 2: Convert to fraction form
    11,191.92/16,790.64 = 3,400.32/x
  3. Step 3: Cross multiply
    11,191.92x = 16,790.64 × 3,400.32
  4. Step 4: Simplify right side
    11,191.92x = 57,093,549.00
  5. Step 5: Solve for x
    x = 57,093,549.00/11,191.92
  6. Step 6: Final answer
    x = 5,101.32

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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.