Home / 19,676.66-27,151.89-11,291.54

Finding the Fourth Proportional to 19,676.66, 27,151.89 and 11,291.54

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Solution

The fourth proportional to 19,676.66, 27,151.89 and 11,291.54 is: 15,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.66 : 27,151.89 = 11,291.54 : x
  2. Step 2: Convert to fraction form
    19,676.66/27,151.89 = 11,291.54/x
  3. Step 3: Cross multiply
    19,676.66x = 27,151.89 × 11,291.54
  4. Step 4: Simplify right side
    19,676.66x = 306,586,652.01
  5. Step 5: Solve for x
    x = 306,586,652.01/19,676.66
  6. Step 6: Final answer
    x = 15,581.23

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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.