Home / 13,960.07-20,940.07-4,099.33

Finding the Fourth Proportional to 13,960.07, 20,940.07 and 4,099.33

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Solution

The fourth proportional to 13,960.07, 20,940.07 and 4,099.33 is: 6,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.07 : 20,940.07 = 4,099.33 : x
  2. Step 2: Convert to fraction form
    13,960.07/20,940.07 = 4,099.33/x
  3. Step 3: Cross multiply
    13,960.07x = 20,940.07 × 4,099.33
  4. Step 4: Simplify right side
    13,960.07x = 85,840,257.15
  5. Step 5: Solve for x
    x = 85,840,257.15/13,960.07
  6. Step 6: Final answer
    x = 6,148.98

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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.