Home / 10,855.44-16,283.80-3,930.64

Finding the Fourth Proportional to 10,855.44, 16,283.80 and 3,930.64

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Solution

The fourth proportional to 10,855.44, 16,283.80 and 3,930.64 is: 5,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.44 : 16,283.80 = 3,930.64 : x
  2. Step 2: Convert to fraction form
    10,855.44/16,283.80 = 3,930.64/x
  3. Step 3: Cross multiply
    10,855.44x = 16,283.80 × 3,930.64
  4. Step 4: Simplify right side
    10,855.44x = 64,005,755.63
  5. Step 5: Solve for x
    x = 64,005,755.63/10,855.44
  6. Step 6: Final answer
    x = 5,896.19

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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.