Home / 13,971.38-20,957.07-4,110.75

Finding the Fourth Proportional to 13,971.38, 20,957.07 and 4,110.75

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Solution

The fourth proportional to 13,971.38, 20,957.07 and 4,110.75 is: 6,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.38 : 20,957.07 = 4,110.75 : x
  2. Step 2: Convert to fraction form
    13,971.38/20,957.07 = 4,110.75/x
  3. Step 3: Cross multiply
    13,971.38x = 20,957.07 × 4,110.75
  4. Step 4: Simplify right side
    13,971.38x = 86,149,170.72
  5. Step 5: Solve for x
    x = 86,149,170.72/13,971.38
  6. Step 6: Final answer
    x = 6,166.12

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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.