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Finding the Fourth Proportional to 11,435.63, 17,135.72 and 7,932.44

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Solution

The fourth proportional to 11,435.63, 17,135.72 and 7,932.44 is: 11,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.63 : 17,135.72 = 7,932.44 : x
  2. Step 2: Convert to fraction form
    11,435.63/17,135.72 = 7,932.44/x
  3. Step 3: Cross multiply
    11,435.63x = 17,135.72 × 7,932.44
  4. Step 4: Simplify right side
    11,435.63x = 135,928,103.68
  5. Step 5: Solve for x
    x = 135,928,103.68/11,435.63
  6. Step 6: Final answer
    x = 11,886.37

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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.