Home / 11,224.80-16,837.20-3,433.60

Finding the Fourth Proportional to 11,224.80, 16,837.20 and 3,433.60

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Solution

The fourth proportional to 11,224.80, 16,837.20 and 3,433.60 is: 5,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.80 : 16,837.20 = 3,433.60 : x
  2. Step 2: Convert to fraction form
    11,224.80/16,837.20 = 3,433.60/x
  3. Step 3: Cross multiply
    11,224.80x = 16,837.20 × 3,433.60
  4. Step 4: Simplify right side
    11,224.80x = 57,812,209.92
  5. Step 5: Solve for x
    x = 57,812,209.92/11,224.80
  6. Step 6: Final answer
    x = 5,150.40

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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.