Home / 12,739.26-19,097.37-4,529.34

Finding the Fourth Proportional to 12,739.26, 19,097.37 and 4,529.34

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Solution

The fourth proportional to 12,739.26, 19,097.37 and 4,529.34 is: 6,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.26 : 19,097.37 = 4,529.34 : x
  2. Step 2: Convert to fraction form
    12,739.26/19,097.37 = 4,529.34/x
  3. Step 3: Cross multiply
    12,739.26x = 19,097.37 × 4,529.34
  4. Step 4: Simplify right side
    12,739.26x = 86,498,481.84
  5. Step 5: Solve for x
    x = 86,498,481.84/12,739.26
  6. Step 6: Final answer
    x = 6,789.91

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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.