Home / 21,904.20-30,227.77-11,832.64

Finding the Fourth Proportional to 21,904.20, 30,227.77 and 11,832.64

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Solution

The fourth proportional to 21,904.20, 30,227.77 and 11,832.64 is: 16,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.20 : 30,227.77 = 11,832.64 : x
  2. Step 2: Convert to fraction form
    21,904.20/30,227.77 = 11,832.64/x
  3. Step 3: Cross multiply
    21,904.20x = 30,227.77 × 11,832.64
  4. Step 4: Simplify right side
    21,904.20x = 357,674,110.11
  5. Step 5: Solve for x
    x = 357,674,110.11/21,904.20
  6. Step 6: Final answer
    x = 16,329.02

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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.