Home / 12,216.44-18,325.42-4,425.32

Finding the Fourth Proportional to 12,216.44, 18,325.42 and 4,425.32

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Solution

The fourth proportional to 12,216.44, 18,325.42 and 4,425.32 is: 6,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.44 : 18,325.42 = 4,425.32 : x
  2. Step 2: Convert to fraction form
    12,216.44/18,325.42 = 4,425.32/x
  3. Step 3: Cross multiply
    12,216.44x = 18,325.42 × 4,425.32
  4. Step 4: Simplify right side
    12,216.44x = 81,095,847.63
  5. Step 5: Solve for x
    x = 81,095,847.63/12,216.44
  6. Step 6: Final answer
    x = 6,638.26

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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.