Home / 13,859.44-19,125.99-7,571.82

Finding the Fourth Proportional to 13,859.44, 19,125.99 and 7,571.82

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Solution

The fourth proportional to 13,859.44, 19,125.99 and 7,571.82 is: 10,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.44 : 19,125.99 = 7,571.82 : x
  2. Step 2: Convert to fraction form
    13,859.44/19,125.99 = 7,571.82/x
  3. Step 3: Cross multiply
    13,859.44x = 19,125.99 × 7,571.82
  4. Step 4: Simplify right side
    13,859.44x = 144,818,553.60
  5. Step 5: Solve for x
    x = 144,818,553.60/13,859.44
  6. Step 6: Final answer
    x = 10,449.09

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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.