Home / 12,795.51-19,198.84-4,481.49

Finding the Fourth Proportional to 12,795.51, 19,198.84 and 4,481.49

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Solution

The fourth proportional to 12,795.51, 19,198.84 and 4,481.49 is: 6,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.51 : 19,198.84 = 4,481.49 : x
  2. Step 2: Convert to fraction form
    12,795.51/19,198.84 = 4,481.49/x
  3. Step 3: Cross multiply
    12,795.51x = 19,198.84 × 4,481.49
  4. Step 4: Simplify right side
    12,795.51x = 86,039,291.07
  5. Step 5: Solve for x
    x = 86,039,291.07/12,795.51
  6. Step 6: Final answer
    x = 6,724.18

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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.