Home / 13,273.73-19,910.14-3,913.90

Finding the Fourth Proportional to 13,273.73, 19,910.14 and 3,913.90

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Solution

The fourth proportional to 13,273.73, 19,910.14 and 3,913.90 is: 5,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.73 : 19,910.14 = 3,913.90 : x
  2. Step 2: Convert to fraction form
    13,273.73/19,910.14 = 3,913.90/x
  3. Step 3: Cross multiply
    13,273.73x = 19,910.14 × 3,913.90
  4. Step 4: Simplify right side
    13,273.73x = 77,926,296.95
  5. Step 5: Solve for x
    x = 77,926,296.95/13,273.73
  6. Step 6: Final answer
    x = 5,870.72

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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.