Home / 21,226.64-31,794.50-11,199.72

Finding the Fourth Proportional to 21,226.64, 31,794.50 and 11,199.72

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Solution

The fourth proportional to 21,226.64, 31,794.50 and 11,199.72 is: 16,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.64 : 31,794.50 = 11,199.72 : x
  2. Step 2: Convert to fraction form
    21,226.64/31,794.50 = 11,199.72/x
  3. Step 3: Cross multiply
    21,226.64x = 31,794.50 × 11,199.72
  4. Step 4: Simplify right side
    21,226.64x = 356,089,497.54
  5. Step 5: Solve for x
    x = 356,089,497.54/21,226.64
  6. Step 6: Final answer
    x = 16,775.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.