Home / 11,025.44-16,537.92-5,178.80

Finding the Fourth Proportional to 11,025.44, 16,537.92 and 5,178.80

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Solution

The fourth proportional to 11,025.44, 16,537.92 and 5,178.80 is: 7,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.44 : 16,537.92 = 5,178.80 : x
  2. Step 2: Convert to fraction form
    11,025.44/16,537.92 = 5,178.80/x
  3. Step 3: Cross multiply
    11,025.44x = 16,537.92 × 5,178.80
  4. Step 4: Simplify right side
    11,025.44x = 85,646,580.10
  5. Step 5: Solve for x
    x = 85,646,580.10/11,025.44
  6. Step 6: Final answer
    x = 7,768.09

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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.