Home / 13,859.52-20,797.49-5,100.59

Finding the Fourth Proportional to 13,859.52, 20,797.49 and 5,100.59

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Solution

The fourth proportional to 13,859.52, 20,797.49 and 5,100.59 is: 7,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.52 : 20,797.49 = 5,100.59 : x
  2. Step 2: Convert to fraction form
    13,859.52/20,797.49 = 5,100.59/x
  3. Step 3: Cross multiply
    13,859.52x = 20,797.49 × 5,100.59
  4. Step 4: Simplify right side
    13,859.52x = 106,079,340.03
  5. Step 5: Solve for x
    x = 106,079,340.03/13,859.52
  6. Step 6: Final answer
    x = 7,653.90

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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.