Home / 23,450.45-32,361.39-12,840.12

Finding the Fourth Proportional to 23,450.45, 32,361.39 and 12,840.12

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Solution

The fourth proportional to 23,450.45, 32,361.39 and 12,840.12 is: 17,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.45 : 32,361.39 = 12,840.12 : x
  2. Step 2: Convert to fraction form
    23,450.45/32,361.39 = 12,840.12/x
  3. Step 3: Cross multiply
    23,450.45x = 32,361.39 × 12,840.12
  4. Step 4: Simplify right side
    23,450.45x = 415,524,130.97
  5. Step 5: Solve for x
    x = 415,524,130.97/23,450.45
  6. Step 6: Final answer
    x = 17,719.24

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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.