Home / 21,974.96-30,325.37-11,903.37

Finding the Fourth Proportional to 21,974.96, 30,325.37 and 11,903.37

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Solution

The fourth proportional to 21,974.96, 30,325.37 and 11,903.37 is: 16,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.96 : 30,325.37 = 11,903.37 : x
  2. Step 2: Convert to fraction form
    21,974.96/30,325.37 = 11,903.37/x
  3. Step 3: Cross multiply
    21,974.96x = 30,325.37 × 11,903.37
  4. Step 4: Simplify right side
    21,974.96x = 360,974,039.98
  5. Step 5: Solve for x
    x = 360,974,039.98/21,974.96
  6. Step 6: Final answer
    x = 16,426.61

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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.