Home / 11,288.87-16,922.16-5,355.35

Finding the Fourth Proportional to 11,288.87, 16,922.16 and 5,355.35

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Solution

The fourth proportional to 11,288.87, 16,922.16 and 5,355.35 is: 8,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.87 : 16,922.16 = 5,355.35 : x
  2. Step 2: Convert to fraction form
    11,288.87/16,922.16 = 5,355.35/x
  3. Step 3: Cross multiply
    11,288.87x = 16,922.16 × 5,355.35
  4. Step 4: Simplify right side
    11,288.87x = 90,624,089.56
  5. Step 5: Solve for x
    x = 90,624,089.56/11,288.87
  6. Step 6: Final answer
    x = 8,027.74

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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.