Home / 20,324.94-30,479.73-6,994.15

Finding the Fourth Proportional to 20,324.94, 30,479.73 and 6,994.15

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Solution

The fourth proportional to 20,324.94, 30,479.73 and 6,994.15 is: 10,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.94 : 30,479.73 = 6,994.15 : x
  2. Step 2: Convert to fraction form
    20,324.94/30,479.73 = 6,994.15/x
  3. Step 3: Cross multiply
    20,324.94x = 30,479.73 × 6,994.15
  4. Step 4: Simplify right side
    20,324.94x = 213,179,803.58
  5. Step 5: Solve for x
    x = 213,179,803.58/20,324.94
  6. Step 6: Final answer
    x = 10,488.58

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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.