Home / 11,219.31-16,828.81-3,828.92

Finding the Fourth Proportional to 11,219.31, 16,828.81 and 3,828.92

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Solution

The fourth proportional to 11,219.31, 16,828.81 and 3,828.92 is: 5,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.31 : 16,828.81 = 3,828.92 : x
  2. Step 2: Convert to fraction form
    11,219.31/16,828.81 = 3,828.92/x
  3. Step 3: Cross multiply
    11,219.31x = 16,828.81 × 3,828.92
  4. Step 4: Simplify right side
    11,219.31x = 64,436,189.67
  5. Step 5: Solve for x
    x = 64,436,189.67/11,219.31
  6. Step 6: Final answer
    x = 5,743.33

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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.