Home / 13,296.55-19,948.74-3,936.82

Finding the Fourth Proportional to 13,296.55, 19,948.74 and 3,936.82

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Solution

The fourth proportional to 13,296.55, 19,948.74 and 3,936.82 is: 5,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.55 : 19,948.74 = 3,936.82 : x
  2. Step 2: Convert to fraction form
    13,296.55/19,948.74 = 3,936.82/x
  3. Step 3: Cross multiply
    13,296.55x = 19,948.74 × 3,936.82
  4. Step 4: Simplify right side
    13,296.55x = 78,534,533.97
  5. Step 5: Solve for x
    x = 78,534,533.97/13,296.55
  6. Step 6: Final answer
    x = 5,906.38

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1.5x scale

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.