Home / 12,566.78-18,847.74-3,799.64

Finding the Fourth Proportional to 12,566.78, 18,847.74 and 3,799.64

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Solution

The fourth proportional to 12,566.78, 18,847.74 and 3,799.64 is: 5,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.78 : 18,847.74 = 3,799.64 : x
  2. Step 2: Convert to fraction form
    12,566.78/18,847.74 = 3,799.64/x
  3. Step 3: Cross multiply
    12,566.78x = 18,847.74 × 3,799.64
  4. Step 4: Simplify right side
    12,566.78x = 71,614,626.81
  5. Step 5: Solve for x
    x = 71,614,626.81/12,566.78
  6. Step 6: Final answer
    x = 5,698.73

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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.