Home / 21,933.73-30,268.46-11,862.18

Finding the Fourth Proportional to 21,933.73, 30,268.46 and 11,862.18

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Solution

The fourth proportional to 21,933.73, 30,268.46 and 11,862.18 is: 16,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.73 : 30,268.46 = 11,862.18 : x
  2. Step 2: Convert to fraction form
    21,933.73/30,268.46 = 11,862.18/x
  3. Step 3: Cross multiply
    21,933.73x = 30,268.46 × 11,862.18
  4. Step 4: Simplify right side
    21,933.73x = 359,049,861.53
  5. Step 5: Solve for x
    x = 359,049,861.53/21,933.73
  6. Step 6: Final answer
    x = 16,369.76

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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.