Home / 12,422.34-18,627.62-4,519.26

Finding the Fourth Proportional to 12,422.34, 18,627.62 and 4,519.26

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Solution

The fourth proportional to 12,422.34, 18,627.62 and 4,519.26 is: 6,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.34 : 18,627.62 = 4,519.26 : x
  2. Step 2: Convert to fraction form
    12,422.34/18,627.62 = 4,519.26/x
  3. Step 3: Cross multiply
    12,422.34x = 18,627.62 × 4,519.26
  4. Step 4: Simplify right side
    12,422.34x = 84,183,035.36
  5. Step 5: Solve for x
    x = 84,183,035.36/12,422.34
  6. Step 6: Final answer
    x = 6,776.75

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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.