Home / 12,241.22-18,361.95-4,847.48

Finding the Fourth Proportional to 12,241.22, 18,361.95 and 4,847.48

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Solution

The fourth proportional to 12,241.22, 18,361.95 and 4,847.48 is: 7,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.22 : 18,361.95 = 4,847.48 : x
  2. Step 2: Convert to fraction form
    12,241.22/18,361.95 = 4,847.48/x
  3. Step 3: Cross multiply
    12,241.22x = 18,361.95 × 4,847.48
  4. Step 4: Simplify right side
    12,241.22x = 89,009,185.39
  5. Step 5: Solve for x
    x = 89,009,185.39/12,241.22
  6. Step 6: Final answer
    x = 7,271.27

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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.