Home / 19,412.50-26,789.26-11,029

Finding the Fourth Proportional to 19,412.50, 26,789.26 and 11,029

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Solution

The fourth proportional to 19,412.50, 26,789.26 and 11,029 is: 15,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.50 : 26,789.26 = 11,029 : x
  2. Step 2: Convert to fraction form
    19,412.50/26,789.26 = 11,029/x
  3. Step 3: Cross multiply
    19,412.50x = 26,789.26 × 11,029
  4. Step 4: Simplify right side
    19,412.50x = 295,458,748.54
  5. Step 5: Solve for x
    x = 295,458,748.54/19,412.50
  6. Step 6: Final answer
    x = 15,220.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.