Home / 9,189.36-13,787.88-3,993.84

Finding the Fourth Proportional to 9,189.36, 13,787.88 and 3,993.84

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Solution

The fourth proportional to 9,189.36, 13,787.88 and 3,993.84 is: 5,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.36 : 13,787.88 = 3,993.84 : x
  2. Step 2: Convert to fraction form
    9,189.36/13,787.88 = 3,993.84/x
  3. Step 3: Cross multiply
    9,189.36x = 13,787.88 × 3,993.84
  4. Step 4: Simplify right side
    9,189.36x = 55,066,586.66
  5. Step 5: Solve for x
    x = 55,066,586.66/9,189.36
  6. Step 6: Final answer
    x = 5,992.43

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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.