Home / 19,940.85-29,912.36-7,464.15

Finding the Fourth Proportional to 19,940.85, 29,912.36 and 7,464.15

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Solution

The fourth proportional to 19,940.85, 29,912.36 and 7,464.15 is: 11,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.85 : 29,912.36 = 7,464.15 : x
  2. Step 2: Convert to fraction form
    19,940.85/29,912.36 = 7,464.15/x
  3. Step 3: Cross multiply
    19,940.85x = 29,912.36 × 7,464.15
  4. Step 4: Simplify right side
    19,940.85x = 223,270,304.57
  5. Step 5: Solve for x
    x = 223,270,304.57/19,940.85
  6. Step 6: Final answer
    x = 11,196.63

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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.