Home / 11,879.08-17,824.82-8,619.07

Finding the Fourth Proportional to 11,879.08, 17,824.82 and 8,619.07

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Solution

The fourth proportional to 11,879.08, 17,824.82 and 8,619.07 is: 12,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.08 : 17,824.82 = 8,619.07 : x
  2. Step 2: Convert to fraction form
    11,879.08/17,824.82 = 8,619.07/x
  3. Step 3: Cross multiply
    11,879.08x = 17,824.82 × 8,619.07
  4. Step 4: Simplify right side
    11,879.08x = 153,633,371.32
  5. Step 5: Solve for x
    x = 153,633,371.32/11,879.08
  6. Step 6: Final answer
    x = 12,933.10

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1.5x scale

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.