Home / 19,418.72-26,796.64-10,922

Finding the Fourth Proportional to 19,418.72, 26,796.64 and 10,922

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Solution

The fourth proportional to 19,418.72, 26,796.64 and 10,922 is: 15,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.72 : 26,796.64 = 10,922 : x
  2. Step 2: Convert to fraction form
    19,418.72/26,796.64 = 10,922/x
  3. Step 3: Cross multiply
    19,418.72x = 26,796.64 × 10,922
  4. Step 4: Simplify right side
    19,418.72x = 292,672,902.08
  5. Step 5: Solve for x
    x = 292,672,902.08/19,418.72
  6. Step 6: Final answer
    x = 15,071.69

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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.