Home / 21,998.23-30,357.24-11,926.48

Finding the Fourth Proportional to 21,998.23, 30,357.24 and 11,926.48

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Solution

The fourth proportional to 21,998.23, 30,357.24 and 11,926.48 is: 16,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.23 : 30,357.24 = 11,926.48 : x
  2. Step 2: Convert to fraction form
    21,998.23/30,357.24 = 11,926.48/x
  3. Step 3: Cross multiply
    21,998.23x = 30,357.24 × 11,926.48
  4. Step 4: Simplify right side
    21,998.23x = 362,055,015.72
  5. Step 5: Solve for x
    x = 362,055,015.72/21,998.23
  6. Step 6: Final answer
    x = 16,458.37

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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.