Home / 12,725.48-19,100.37-7,804.73

Finding the Fourth Proportional to 12,725.48, 19,100.37 and 7,804.73

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Solution

The fourth proportional to 12,725.48, 19,100.37 and 7,804.73 is: 11,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.48 : 19,100.37 = 7,804.73 : x
  2. Step 2: Convert to fraction form
    12,725.48/19,100.37 = 7,804.73/x
  3. Step 3: Cross multiply
    12,725.48x = 19,100.37 × 7,804.73
  4. Step 4: Simplify right side
    12,725.48x = 149,073,230.75
  5. Step 5: Solve for x
    x = 149,073,230.75/12,725.48
  6. Step 6: Final answer
    x = 11,714.55

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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.