Home / 13,819.20-19,069.44-7,850.96

Finding the Fourth Proportional to 13,819.20, 19,069.44 and 7,850.96

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Solution

The fourth proportional to 13,819.20, 19,069.44 and 7,850.96 is: 10,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.20 : 19,069.44 = 7,850.96 : x
  2. Step 2: Convert to fraction form
    13,819.20/19,069.44 = 7,850.96/x
  3. Step 3: Cross multiply
    13,819.20x = 19,069.44 × 7,850.96
  4. Step 4: Simplify right side
    13,819.20x = 149,713,410.66
  5. Step 5: Solve for x
    x = 149,713,410.66/13,819.20
  6. Step 6: Final answer
    x = 10,833.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.