Home / 13,584.36-18,745.74-7,995

Finding the Fourth Proportional to 13,584.36, 18,745.74 and 7,995

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Solution

The fourth proportional to 13,584.36, 18,745.74 and 7,995 is: 11,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.36 : 18,745.74 = 7,995 : x
  2. Step 2: Convert to fraction form
    13,584.36/18,745.74 = 7,995/x
  3. Step 3: Cross multiply
    13,584.36x = 18,745.74 × 7,995
  4. Step 4: Simplify right side
    13,584.36x = 149,872,191.30
  5. Step 5: Solve for x
    x = 149,872,191.30/13,584.36
  6. Step 6: Final answer
    x = 11,032.70

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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.