Home / 12,184.52-16,814.63-6,879.33

Finding the Fourth Proportional to 12,184.52, 16,814.63 and 6,879.33

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Solution

The fourth proportional to 12,184.52, 16,814.63 and 6,879.33 is: 9,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.52 : 16,814.63 = 6,879.33 : x
  2. Step 2: Convert to fraction form
    12,184.52/16,814.63 = 6,879.33/x
  3. Step 3: Cross multiply
    12,184.52x = 16,814.63 × 6,879.33
  4. Step 4: Simplify right side
    12,184.52x = 115,673,405.80
  5. Step 5: Solve for x
    x = 115,673,405.80/12,184.52
  6. Step 6: Final answer
    x = 9,493.48

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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.