Home / 13,617.92-20,414.72-5,822.72

Finding the Fourth Proportional to 13,617.92, 20,414.72 and 5,822.72

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Solution

The fourth proportional to 13,617.92, 20,414.72 and 5,822.72 is: 8,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.92 : 20,414.72 = 5,822.72 : x
  2. Step 2: Convert to fraction form
    13,617.92/20,414.72 = 5,822.72/x
  3. Step 3: Cross multiply
    13,617.92x = 20,414.72 × 5,822.72
  4. Step 4: Simplify right side
    13,617.92x = 118,869,198.44
  5. Step 5: Solve for x
    x = 118,869,198.44/13,617.92
  6. Step 6: Final answer
    x = 8,728.88

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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.