Home / 12,620.48-18,919.04-4,823.04

Finding the Fourth Proportional to 12,620.48, 18,919.04 and 4,823.04

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Solution

The fourth proportional to 12,620.48, 18,919.04 and 4,823.04 is: 7,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.48 : 18,919.04 = 4,823.04 : x
  2. Step 2: Convert to fraction form
    12,620.48/18,919.04 = 4,823.04/x
  3. Step 3: Cross multiply
    12,620.48x = 18,919.04 × 4,823.04
  4. Step 4: Simplify right side
    12,620.48x = 91,247,286.68
  5. Step 5: Solve for x
    x = 91,247,286.68/12,620.48
  6. Step 6: Final answer
    x = 7,230.10

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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.