Home / 13,825.10-20,738.73-6,808.88

Finding the Fourth Proportional to 13,825.10, 20,738.73 and 6,808.88

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Solution

The fourth proportional to 13,825.10, 20,738.73 and 6,808.88 is: 10,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.10 : 20,738.73 = 6,808.88 : x
  2. Step 2: Convert to fraction form
    13,825.10/20,738.73 = 6,808.88/x
  3. Step 3: Cross multiply
    13,825.10x = 20,738.73 × 6,808.88
  4. Step 4: Simplify right side
    13,825.10x = 141,207,523.92
  5. Step 5: Solve for x
    x = 141,207,523.92/13,825.10
  6. Step 6: Final answer
    x = 10,213.85

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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.