Home / 13,028.22-19,535.04-4,260.78

Finding the Fourth Proportional to 13,028.22, 19,535.04 and 4,260.78

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Solution

The fourth proportional to 13,028.22, 19,535.04 and 4,260.78 is: 6,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.22 : 19,535.04 = 4,260.78 : x
  2. Step 2: Convert to fraction form
    13,028.22/19,535.04 = 4,260.78/x
  3. Step 3: Cross multiply
    13,028.22x = 19,535.04 × 4,260.78
  4. Step 4: Simplify right side
    13,028.22x = 83,234,507.73
  5. Step 5: Solve for x
    x = 83,234,507.73/13,028.22
  6. Step 6: Final answer
    x = 6,388.79

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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.