Home / 11,305.31-16,958.73-4,190.21

Finding the Fourth Proportional to 11,305.31, 16,958.73 and 4,190.21

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Solution

The fourth proportional to 11,305.31, 16,958.73 and 4,190.21 is: 6,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.31 : 16,958.73 = 4,190.21 : x
  2. Step 2: Convert to fraction form
    11,305.31/16,958.73 = 4,190.21/x
  3. Step 3: Cross multiply
    11,305.31x = 16,958.73 × 4,190.21
  4. Step 4: Simplify right side
    11,305.31x = 71,060,640.03
  5. Step 5: Solve for x
    x = 71,060,640.03/11,305.31
  6. Step 6: Final answer
    x = 6,285.60

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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.