Home / 11,224.42-16,840.05-5,305.85

Finding the Fourth Proportional to 11,224.42, 16,840.05 and 5,305.85

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Solution

The fourth proportional to 11,224.42, 16,840.05 and 5,305.85 is: 7,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.42 : 16,840.05 = 5,305.85 : x
  2. Step 2: Convert to fraction form
    11,224.42/16,840.05 = 5,305.85/x
  3. Step 3: Cross multiply
    11,224.42x = 16,840.05 × 5,305.85
  4. Step 4: Simplify right side
    11,224.42x = 89,350,695.09
  5. Step 5: Solve for x
    x = 89,350,695.09/11,224.42
  6. Step 6: Final answer
    x = 7,960.39

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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.