Home / 13,908.26-20,851.44-6,883.34

Finding the Fourth Proportional to 13,908.26, 20,851.44 and 6,883.34

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Solution

The fourth proportional to 13,908.26, 20,851.44 and 6,883.34 is: 10,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.26 : 20,851.44 = 6,883.34 : x
  2. Step 2: Convert to fraction form
    13,908.26/20,851.44 = 6,883.34/x
  3. Step 3: Cross multiply
    13,908.26x = 20,851.44 × 6,883.34
  4. Step 4: Simplify right side
    13,908.26x = 143,527,446.75
  5. Step 5: Solve for x
    x = 143,527,446.75/13,908.26
  6. Step 6: Final answer
    x = 10,319.59

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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.