Home / 19,873.25-29,806.68-5,081.38

Finding the Fourth Proportional to 19,873.25, 29,806.68 and 5,081.38

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Solution

The fourth proportional to 19,873.25, 29,806.68 and 5,081.38 is: 7,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.25 : 29,806.68 = 5,081.38 : x
  2. Step 2: Convert to fraction form
    19,873.25/29,806.68 = 5,081.38/x
  3. Step 3: Cross multiply
    19,873.25x = 29,806.68 × 5,081.38
  4. Step 4: Simplify right side
    19,873.25x = 151,459,179.82
  5. Step 5: Solve for x
    x = 151,459,179.82/19,873.25
  6. Step 6: Final answer
    x = 7,621.26

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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.