Home / 11,299.58-16,947.92-2,980.25

Finding the Fourth Proportional to 11,299.58, 16,947.92 and 2,980.25

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Solution

The fourth proportional to 11,299.58, 16,947.92 and 2,980.25 is: 4,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.58 : 16,947.92 = 2,980.25 : x
  2. Step 2: Convert to fraction form
    11,299.58/16,947.92 = 2,980.25/x
  3. Step 3: Cross multiply
    11,299.58x = 16,947.92 × 2,980.25
  4. Step 4: Simplify right side
    11,299.58x = 50,508,938.94
  5. Step 5: Solve for x
    x = 50,508,938.94/11,299.58
  6. Step 6: Final answer
    x = 4,469.99

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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.