Home / 21,933.36-32,912.58-9,282.12

Finding the Fourth Proportional to 21,933.36, 32,912.58 and 9,282.12

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Solution

The fourth proportional to 21,933.36, 32,912.58 and 9,282.12 is: 13,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.36 : 32,912.58 = 9,282.12 : x
  2. Step 2: Convert to fraction form
    21,933.36/32,912.58 = 9,282.12/x
  3. Step 3: Cross multiply
    21,933.36x = 32,912.58 × 9,282.12
  4. Step 4: Simplify right side
    21,933.36x = 305,498,517.07
  5. Step 5: Solve for x
    x = 305,498,517.07/21,933.36
  6. Step 6: Final answer
    x = 13,928.49

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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.