Home / 13,912.88-19,199.79-7,625.39

Finding the Fourth Proportional to 13,912.88, 19,199.79 and 7,625.39

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Solution

The fourth proportional to 13,912.88, 19,199.79 and 7,625.39 is: 10,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.88 : 19,199.79 = 7,625.39 : x
  2. Step 2: Convert to fraction form
    13,912.88/19,199.79 = 7,625.39/x
  3. Step 3: Cross multiply
    13,912.88x = 19,199.79 × 7,625.39
  4. Step 4: Simplify right side
    13,912.88x = 146,405,790.67
  5. Step 5: Solve for x
    x = 146,405,790.67/13,912.88
  6. Step 6: Final answer
    x = 10,523.04

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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.