Home / 12,447.84-18,660.54-4,544.85

Finding the Fourth Proportional to 12,447.84, 18,660.54 and 4,544.85

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Solution

The fourth proportional to 12,447.84, 18,660.54 and 4,544.85 is: 6,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.84 : 18,660.54 = 4,544.85 : x
  2. Step 2: Convert to fraction form
    12,447.84/18,660.54 = 4,544.85/x
  3. Step 3: Cross multiply
    12,447.84x = 18,660.54 × 4,544.85
  4. Step 4: Simplify right side
    12,447.84x = 84,809,355.22
  5. Step 5: Solve for x
    x = 84,809,355.22/12,447.84
  6. Step 6: Final answer
    x = 6,813.18

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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.