Home / 19,189.97-28,788.60-6,713.54

Finding the Fourth Proportional to 19,189.97, 28,788.60 and 6,713.54

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Solution

The fourth proportional to 19,189.97, 28,788.60 and 6,713.54 is: 10,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.97 : 28,788.60 = 6,713.54 : x
  2. Step 2: Convert to fraction form
    19,189.97/28,788.60 = 6,713.54/x
  3. Step 3: Cross multiply
    19,189.97x = 28,788.60 × 6,713.54
  4. Step 4: Simplify right side
    19,189.97x = 193,273,417.64
  5. Step 5: Solve for x
    x = 193,273,417.64/19,189.97
  6. Step 6: Final answer
    x = 10,071.59

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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.