Home / 18,458.89-27,684.99-5,308.03

Finding the Fourth Proportional to 18,458.89, 27,684.99 and 5,308.03

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Solution

The fourth proportional to 18,458.89, 27,684.99 and 5,308.03 is: 7,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.89 : 27,684.99 = 5,308.03 : x
  2. Step 2: Convert to fraction form
    18,458.89/27,684.99 = 5,308.03/x
  3. Step 3: Cross multiply
    18,458.89x = 27,684.99 × 5,308.03
  4. Step 4: Simplify right side
    18,458.89x = 146,952,792.08
  5. Step 5: Solve for x
    x = 146,952,792.08/18,458.89
  6. Step 6: Final answer
    x = 7,961.09

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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.