Home / 13,907.46-19,193.66-7,940.03

Finding the Fourth Proportional to 13,907.46, 19,193.66 and 7,940.03

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Solution

The fourth proportional to 13,907.46, 19,193.66 and 7,940.03 is: 10,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.46 : 19,193.66 = 7,940.03 : x
  2. Step 2: Convert to fraction form
    13,907.46/19,193.66 = 7,940.03/x
  3. Step 3: Cross multiply
    13,907.46x = 19,193.66 × 7,940.03
  4. Step 4: Simplify right side
    13,907.46x = 152,398,100.54
  5. Step 5: Solve for x
    x = 152,398,100.54/13,907.46
  6. Step 6: Final answer
    x = 10,958.01

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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.