Home / 16,117.89-22,236.57-11,879.07

Finding the Fourth Proportional to 16,117.89, 22,236.57 and 11,879.07

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Solution

The fourth proportional to 16,117.89, 22,236.57 and 11,879.07 is: 16,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.89 : 22,236.57 = 11,879.07 : x
  2. Step 2: Convert to fraction form
    16,117.89/22,236.57 = 11,879.07/x
  3. Step 3: Cross multiply
    16,117.89x = 22,236.57 × 11,879.07
  4. Step 4: Simplify right side
    16,117.89x = 264,149,771.59
  5. Step 5: Solve for x
    x = 264,149,771.59/16,117.89
  6. Step 6: Final answer
    x = 16,388.61

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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.