Home / 12,422.50-18,606.46-11,450.25

Finding the Fourth Proportional to 12,422.50, 18,606.46 and 11,450.25

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Solution

The fourth proportional to 12,422.50, 18,606.46 and 11,450.25 is: 17,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.50 : 18,606.46 = 11,450.25 : x
  2. Step 2: Convert to fraction form
    12,422.50/18,606.46 = 11,450.25/x
  3. Step 3: Cross multiply
    12,422.50x = 18,606.46 × 11,450.25
  4. Step 4: Simplify right side
    12,422.50x = 213,048,618.62
  5. Step 5: Solve for x
    x = 213,048,618.62/12,422.50
  6. Step 6: Final answer
    x = 17,150.22

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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.