Home / 21,923.40-30,254.22-12,493.56

Finding the Fourth Proportional to 21,923.40, 30,254.22 and 12,493.56

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Solution

The fourth proportional to 21,923.40, 30,254.22 and 12,493.56 is: 17,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.40 : 30,254.22 = 12,493.56 : x
  2. Step 2: Convert to fraction form
    21,923.40/30,254.22 = 12,493.56/x
  3. Step 3: Cross multiply
    21,923.40x = 30,254.22 × 12,493.56
  4. Step 4: Simplify right side
    21,923.40x = 377,982,912.82
  5. Step 5: Solve for x
    x = 377,982,912.82/21,923.40
  6. Step 6: Final answer
    x = 17,241.07

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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.