Home / 19,338.96-26,684.36-11,274.32

Finding the Fourth Proportional to 19,338.96, 26,684.36 and 11,274.32

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Solution

The fourth proportional to 19,338.96, 26,684.36 and 11,274.32 is: 15,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.96 : 26,684.36 = 11,274.32 : x
  2. Step 2: Convert to fraction form
    19,338.96/26,684.36 = 11,274.32/x
  3. Step 3: Cross multiply
    19,338.96x = 26,684.36 × 11,274.32
  4. Step 4: Simplify right side
    19,338.96x = 300,848,013.64
  5. Step 5: Solve for x
    x = 300,848,013.64/19,338.96
  6. Step 6: Final answer
    x = 15,556.58

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1.5x scale

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.