Home / 19,412.08-29,108.94-8,879.02

Finding the Fourth Proportional to 19,412.08, 29,108.94 and 8,879.02

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Solution

The fourth proportional to 19,412.08, 29,108.94 and 8,879.02 is: 13,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.08 : 29,108.94 = 8,879.02 : x
  2. Step 2: Convert to fraction form
    19,412.08/29,108.94 = 8,879.02/x
  3. Step 3: Cross multiply
    19,412.08x = 29,108.94 × 8,879.02
  4. Step 4: Simplify right side
    19,412.08x = 258,458,860.44
  5. Step 5: Solve for x
    x = 258,458,860.44/19,412.08
  6. Step 6: Final answer
    x = 13,314.33

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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.