Home / 21,933.48-30,268.44-11,862.10

Finding the Fourth Proportional to 21,933.48, 30,268.44 and 11,862.10

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Solution

The fourth proportional to 21,933.48, 30,268.44 and 11,862.10 is: 16,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.48 : 30,268.44 = 11,862.10 : x
  2. Step 2: Convert to fraction form
    21,933.48/30,268.44 = 11,862.10/x
  3. Step 3: Cross multiply
    21,933.48x = 30,268.44 × 11,862.10
  4. Step 4: Simplify right side
    21,933.48x = 359,047,262.12
  5. Step 5: Solve for x
    x = 359,047,262.12/21,933.48
  6. Step 6: Final answer
    x = 16,369.83

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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.