Home / 12,395.22-18,592.82-3,632.64

Finding the Fourth Proportional to 12,395.22, 18,592.82 and 3,632.64

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Solution

The fourth proportional to 12,395.22, 18,592.82 and 3,632.64 is: 5,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.22 : 18,592.82 = 3,632.64 : x
  2. Step 2: Convert to fraction form
    12,395.22/18,592.82 = 3,632.64/x
  3. Step 3: Cross multiply
    12,395.22x = 18,592.82 × 3,632.64
  4. Step 4: Simplify right side
    12,395.22x = 67,541,021.64
  5. Step 5: Solve for x
    x = 67,541,021.64/12,395.22
  6. Step 6: Final answer
    x = 5,448.96

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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.