Home / 13,268.82-18,311.64-7,604.22

Finding the Fourth Proportional to 13,268.82, 18,311.64 and 7,604.22

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Solution

The fourth proportional to 13,268.82, 18,311.64 and 7,604.22 is: 10,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.82 : 18,311.64 = 7,604.22 : x
  2. Step 2: Convert to fraction form
    13,268.82/18,311.64 = 7,604.22/x
  3. Step 3: Cross multiply
    13,268.82x = 18,311.64 × 7,604.22
  4. Step 4: Simplify right side
    13,268.82x = 139,245,739.12
  5. Step 5: Solve for x
    x = 139,245,739.12/13,268.82
  6. Step 6: Final answer
    x = 10,494.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.