Home / 12,799.73-19,208.24-4,479.81

Finding the Fourth Proportional to 12,799.73, 19,208.24 and 4,479.81

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Solution

The fourth proportional to 12,799.73, 19,208.24 and 4,479.81 is: 6,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.73 : 19,208.24 = 4,479.81 : x
  2. Step 2: Convert to fraction form
    12,799.73/19,208.24 = 4,479.81/x
  3. Step 3: Cross multiply
    12,799.73x = 19,208.24 × 4,479.81
  4. Step 4: Simplify right side
    12,799.73x = 86,049,350.07
  5. Step 5: Solve for x
    x = 86,049,350.07/12,799.73
  6. Step 6: Final answer
    x = 6,722.75

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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.