Home / 21,974.86-30,325.39-11,903.27

Finding the Fourth Proportional to 21,974.86, 30,325.39 and 11,903.27

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Solution

The fourth proportional to 21,974.86, 30,325.39 and 11,903.27 is: 16,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.86 : 30,325.39 = 11,903.27 : x
  2. Step 2: Convert to fraction form
    21,974.86/30,325.39 = 11,903.27/x
  3. Step 3: Cross multiply
    21,974.86x = 30,325.39 × 11,903.27
  4. Step 4: Simplify right side
    21,974.86x = 360,971,351.08
  5. Step 5: Solve for x
    x = 360,971,351.08/21,974.86
  6. Step 6: Final answer
    x = 16,426.56

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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.