Home / 11,288.88-16,931.96-2,969.54

Finding the Fourth Proportional to 11,288.88, 16,931.96 and 2,969.54

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Solution

The fourth proportional to 11,288.88, 16,931.96 and 2,969.54 is: 4,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.88 : 16,931.96 = 2,969.54 : x
  2. Step 2: Convert to fraction form
    11,288.88/16,931.96 = 2,969.54/x
  3. Step 3: Cross multiply
    11,288.88x = 16,931.96 × 2,969.54
  4. Step 4: Simplify right side
    11,288.88x = 50,280,055.26
  5. Step 5: Solve for x
    x = 50,280,055.26/11,288.88
  6. Step 6: Final answer
    x = 4,453.95

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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.