Home / 21,974.92-30,325.44-11,903.32

Finding the Fourth Proportional to 21,974.92, 30,325.44 and 11,903.32

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Solution

The fourth proportional to 21,974.92, 30,325.44 and 11,903.32 is: 16,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.92 : 30,325.44 = 11,903.32 : x
  2. Step 2: Convert to fraction form
    21,974.92/30,325.44 = 11,903.32/x
  3. Step 3: Cross multiply
    21,974.92x = 30,325.44 × 11,903.32
  4. Step 4: Simplify right side
    21,974.92x = 360,973,416.46
  5. Step 5: Solve for x
    x = 360,973,416.46/21,974.92
  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.