Home / 11,838.93-17,759.18-3,941.12

Finding the Fourth Proportional to 11,838.93, 17,759.18 and 3,941.12

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Solution

The fourth proportional to 11,838.93, 17,759.18 and 3,941.12 is: 5,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.93 : 17,759.18 = 3,941.12 : x
  2. Step 2: Convert to fraction form
    11,838.93/17,759.18 = 3,941.12/x
  3. Step 3: Cross multiply
    11,838.93x = 17,759.18 × 3,941.12
  4. Step 4: Simplify right side
    11,838.93x = 69,991,113.73
  5. Step 5: Solve for x
    x = 69,991,113.73/11,838.93
  6. Step 6: Final answer
    x = 5,911.95

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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.