Home / 11,784.30-17,675.85-3,993.18

Finding the Fourth Proportional to 11,784.30, 17,675.85 and 3,993.18

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Solution

The fourth proportional to 11,784.30, 17,675.85 and 3,993.18 is: 5,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.30 : 17,675.85 = 3,993.18 : x
  2. Step 2: Convert to fraction form
    11,784.30/17,675.85 = 3,993.18/x
  3. Step 3: Cross multiply
    11,784.30x = 17,675.85 × 3,993.18
  4. Step 4: Simplify right side
    11,784.30x = 70,582,850.70
  5. Step 5: Solve for x
    x = 70,582,850.70/11,784.30
  6. Step 6: Final answer
    x = 5,989.57

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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.