Home / 11,219.42-16,830.76-3,427.22

Finding the Fourth Proportional to 11,219.42, 16,830.76 and 3,427.22

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Solution

The fourth proportional to 11,219.42, 16,830.76 and 3,427.22 is: 5,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.42 : 16,830.76 = 3,427.22 : x
  2. Step 2: Convert to fraction form
    11,219.42/16,830.76 = 3,427.22/x
  3. Step 3: Cross multiply
    11,219.42x = 16,830.76 × 3,427.22
  4. Step 4: Simplify right side
    11,219.42x = 57,682,717.29
  5. Step 5: Solve for x
    x = 57,682,717.29/11,219.42
  6. Step 6: Final answer
    x = 5,141.33

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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.