Home / 13,157.69-19,736.36-3,296.95

Finding the Fourth Proportional to 13,157.69, 19,736.36 and 3,296.95

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Solution

The fourth proportional to 13,157.69, 19,736.36 and 3,296.95 is: 4,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.69 : 19,736.36 = 3,296.95 : x
  2. Step 2: Convert to fraction form
    13,157.69/19,736.36 = 3,296.95/x
  3. Step 3: Cross multiply
    13,157.69x = 19,736.36 × 3,296.95
  4. Step 4: Simplify right side
    13,157.69x = 65,069,849.66
  5. Step 5: Solve for x
    x = 65,069,849.66/13,157.69
  6. Step 6: Final answer
    x = 4,945.39

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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.