Home / 11,285.88-16,928.70-2,965.76

Finding the Fourth Proportional to 11,285.88, 16,928.70 and 2,965.76

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Solution

The fourth proportional to 11,285.88, 16,928.70 and 2,965.76 is: 4,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.88 : 16,928.70 = 2,965.76 : x
  2. Step 2: Convert to fraction form
    11,285.88/16,928.70 = 2,965.76/x
  3. Step 3: Cross multiply
    11,285.88x = 16,928.70 × 2,965.76
  4. Step 4: Simplify right side
    11,285.88x = 50,206,376.67
  5. Step 5: Solve for x
    x = 50,206,376.67/11,285.88
  6. Step 6: Final answer
    x = 4,448.60

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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.