Home / 19,998.09-30,003.62-6,850.58

Finding the Fourth Proportional to 19,998.09, 30,003.62 and 6,850.58

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Solution

The fourth proportional to 19,998.09, 30,003.62 and 6,850.58 is: 10,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.09 : 30,003.62 = 6,850.58 : x
  2. Step 2: Convert to fraction form
    19,998.09/30,003.62 = 6,850.58/x
  3. Step 3: Cross multiply
    19,998.09x = 30,003.62 × 6,850.58
  4. Step 4: Simplify right side
    19,998.09x = 205,542,014.83
  5. Step 5: Solve for x
    x = 205,542,014.83/19,998.09
  6. Step 6: Final answer
    x = 10,278.08

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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.