Home / 19,869.73-29,804.52-5,078.62

Finding the Fourth Proportional to 19,869.73, 29,804.52 and 5,078.62

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Solution

The fourth proportional to 19,869.73, 29,804.52 and 5,078.62 is: 7,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.73 : 29,804.52 = 5,078.62 : x
  2. Step 2: Convert to fraction form
    19,869.73/29,804.52 = 5,078.62/x
  3. Step 3: Cross multiply
    19,869.73x = 29,804.52 × 5,078.62
  4. Step 4: Simplify right side
    19,869.73x = 151,365,805.97
  5. Step 5: Solve for x
    x = 151,365,805.97/19,869.73
  6. Step 6: Final answer
    x = 7,617.91

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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.