Home / 11,288.55-16,931.48-2,969.22

Finding the Fourth Proportional to 11,288.55, 16,931.48 and 2,969.22

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Solution

The fourth proportional to 11,288.55, 16,931.48 and 2,969.22 is: 4,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.55 : 16,931.48 = 2,969.22 : x
  2. Step 2: Convert to fraction form
    11,288.55/16,931.48 = 2,969.22/x
  3. Step 3: Cross multiply
    11,288.55x = 16,931.48 × 2,969.22
  4. Step 4: Simplify right side
    11,288.55x = 50,273,289.05
  5. Step 5: Solve for x
    x = 50,273,289.05/11,288.55
  6. Step 6: Final answer
    x = 4,453.48

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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.