Home / 21,904.10-30,227.68-11,832.54

Finding the Fourth Proportional to 21,904.10, 30,227.68 and 11,832.54

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Solution

The fourth proportional to 21,904.10, 30,227.68 and 11,832.54 is: 16,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.10 : 30,227.68 = 11,832.54 : x
  2. Step 2: Convert to fraction form
    21,904.10/30,227.68 = 11,832.54/x
  3. Step 3: Cross multiply
    21,904.10x = 30,227.68 × 11,832.54
  4. Step 4: Simplify right side
    21,904.10x = 357,670,022.41
  5. Step 5: Solve for x
    x = 357,670,022.41/21,904.10
  6. Step 6: Final answer
    x = 16,328.91

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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.