Home / 12,546.54-18,820.74-4,226.52

Finding the Fourth Proportional to 12,546.54, 18,820.74 and 4,226.52

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Solution

The fourth proportional to 12,546.54, 18,820.74 and 4,226.52 is: 6,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.54 : 18,820.74 = 4,226.52 : x
  2. Step 2: Convert to fraction form
    12,546.54/18,820.74 = 4,226.52/x
  3. Step 3: Cross multiply
    12,546.54x = 18,820.74 × 4,226.52
  4. Step 4: Simplify right side
    12,546.54x = 79,546,234.02
  5. Step 5: Solve for x
    x = 79,546,234.02/12,546.54
  6. Step 6: Final answer
    x = 6,340.09

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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.