Home / 12,584.24-18,873.60-3,816.80

Finding the Fourth Proportional to 12,584.24, 18,873.60 and 3,816.80

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Solution

The fourth proportional to 12,584.24, 18,873.60 and 3,816.80 is: 5,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.24 : 18,873.60 = 3,816.80 : x
  2. Step 2: Convert to fraction form
    12,584.24/18,873.60 = 3,816.80/x
  3. Step 3: Cross multiply
    12,584.24x = 18,873.60 × 3,816.80
  4. Step 4: Simplify right side
    12,584.24x = 72,036,756.48
  5. Step 5: Solve for x
    x = 72,036,756.48/12,584.24
  6. Step 6: Final answer
    x = 5,724.36

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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.