Home / 13,960.94-20,938.16-4,097.57

Finding the Fourth Proportional to 13,960.94, 20,938.16 and 4,097.57

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Solution

The fourth proportional to 13,960.94, 20,938.16 and 4,097.57 is: 6,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.94 : 20,938.16 = 4,097.57 : x
  2. Step 2: Convert to fraction form
    13,960.94/20,938.16 = 4,097.57/x
  3. Step 3: Cross multiply
    13,960.94x = 20,938.16 × 4,097.57
  4. Step 4: Simplify right side
    13,960.94x = 85,795,451.09
  5. Step 5: Solve for x
    x = 85,795,451.09/13,960.94
  6. Step 6: Final answer
    x = 6,145.39

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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.