Home / 12,993.86-19,492.83-4,226.73

Finding the Fourth Proportional to 12,993.86, 19,492.83 and 4,226.73

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Solution

The fourth proportional to 12,993.86, 19,492.83 and 4,226.73 is: 6,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.86 : 19,492.83 = 4,226.73 : x
  2. Step 2: Convert to fraction form
    12,993.86/19,492.83 = 4,226.73/x
  3. Step 3: Cross multiply
    12,993.86x = 19,492.83 × 4,226.73
  4. Step 4: Simplify right side
    12,993.86x = 82,390,929.35
  5. Step 5: Solve for x
    x = 82,390,929.35/12,993.86
  6. Step 6: Final answer
    x = 6,340.76

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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.