Home / 12,284.44-18,433.80-5,168.16

Finding the Fourth Proportional to 12,284.44, 18,433.80 and 5,168.16

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Solution

The fourth proportional to 12,284.44, 18,433.80 and 5,168.16 is: 7,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.44 : 18,433.80 = 5,168.16 : x
  2. Step 2: Convert to fraction form
    12,284.44/18,433.80 = 5,168.16/x
  3. Step 3: Cross multiply
    12,284.44x = 18,433.80 × 5,168.16
  4. Step 4: Simplify right side
    12,284.44x = 95,268,842.34
  5. Step 5: Solve for x
    x = 95,268,842.34/12,284.44
  6. Step 6: Final answer
    x = 7,755.24

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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.