Home / 11,622.63-17,433.81-2,857.62

Finding the Fourth Proportional to 11,622.63, 17,433.81 and 2,857.62

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Solution

The fourth proportional to 11,622.63, 17,433.81 and 2,857.62 is: 4,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.63 : 17,433.81 = 2,857.62 : x
  2. Step 2: Convert to fraction form
    11,622.63/17,433.81 = 2,857.62/x
  3. Step 3: Cross multiply
    11,622.63x = 17,433.81 × 2,857.62
  4. Step 4: Simplify right side
    11,622.63x = 49,819,204.13
  5. Step 5: Solve for x
    x = 49,819,204.13/11,622.63
  6. Step 6: Final answer
    x = 4,286.40

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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.