Home / 12,282.12-18,409.50-4,884.60

Finding the Fourth Proportional to 12,282.12, 18,409.50 and 4,884.60

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Solution

The fourth proportional to 12,282.12, 18,409.50 and 4,884.60 is: 7,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.12 : 18,409.50 = 4,884.60 : x
  2. Step 2: Convert to fraction form
    12,282.12/18,409.50 = 4,884.60/x
  3. Step 3: Cross multiply
    12,282.12x = 18,409.50 × 4,884.60
  4. Step 4: Simplify right side
    12,282.12x = 89,923,043.70
  5. Step 5: Solve for x
    x = 89,923,043.70/12,282.12
  6. Step 6: Final answer
    x = 7,321.46

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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.