Home / 11,790.35-17,686.08-3,893.56

Finding the Fourth Proportional to 11,790.35, 17,686.08 and 3,893.56

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Solution

The fourth proportional to 11,790.35, 17,686.08 and 3,893.56 is: 5,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.35 : 17,686.08 = 3,893.56 : x
  2. Step 2: Convert to fraction form
    11,790.35/17,686.08 = 3,893.56/x
  3. Step 3: Cross multiply
    11,790.35x = 17,686.08 × 3,893.56
  4. Step 4: Simplify right side
    11,790.35x = 68,861,813.64
  5. Step 5: Solve for x
    x = 68,861,813.64/11,790.35
  6. Step 6: Final answer
    x = 5,840.52

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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.