Home / 13,325.62-18,367.45-9,446.33

Finding the Fourth Proportional to 13,325.62, 18,367.45 and 9,446.33

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Solution

The fourth proportional to 13,325.62, 18,367.45 and 9,446.33 is: 13,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.62 : 18,367.45 = 9,446.33 : x
  2. Step 2: Convert to fraction form
    13,325.62/18,367.45 = 9,446.33/x
  3. Step 3: Cross multiply
    13,325.62x = 18,367.45 × 9,446.33
  4. Step 4: Simplify right side
    13,325.62x = 173,504,912.58
  5. Step 5: Solve for x
    x = 173,504,912.58/13,325.62
  6. Step 6: Final answer
    x = 13,020.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.