Home / 12,722.52-19,091.16-5,326.32

Finding the Fourth Proportional to 12,722.52, 19,091.16 and 5,326.32

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Solution

The fourth proportional to 12,722.52, 19,091.16 and 5,326.32 is: 7,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.52 : 19,091.16 = 5,326.32 : x
  2. Step 2: Convert to fraction form
    12,722.52/19,091.16 = 5,326.32/x
  3. Step 3: Cross multiply
    12,722.52x = 19,091.16 × 5,326.32
  4. Step 4: Simplify right side
    12,722.52x = 101,685,627.33
  5. Step 5: Solve for x
    x = 101,685,627.33/12,722.52
  6. Step 6: Final answer
    x = 7,992.57

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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.