Home / 11,813.13-17,709.64-5,235.73

Finding the Fourth Proportional to 11,813.13, 17,709.64 and 5,235.73

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Solution

The fourth proportional to 11,813.13, 17,709.64 and 5,235.73 is: 7,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.13 : 17,709.64 = 5,235.73 : x
  2. Step 2: Convert to fraction form
    11,813.13/17,709.64 = 5,235.73/x
  3. Step 3: Cross multiply
    11,813.13x = 17,709.64 × 5,235.73
  4. Step 4: Simplify right side
    11,813.13x = 92,722,893.44
  5. Step 5: Solve for x
    x = 92,722,893.44/11,813.13
  6. Step 6: Final answer
    x = 7,849.14

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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.