Home / 20,162.96-27,829.32-11,670.92

Finding the Fourth Proportional to 20,162.96, 27,829.32 and 11,670.92

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Solution

The fourth proportional to 20,162.96, 27,829.32 and 11,670.92 is: 16,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.96 : 27,829.32 = 11,670.92 : x
  2. Step 2: Convert to fraction form
    20,162.96/27,829.32 = 11,670.92/x
  3. Step 3: Cross multiply
    20,162.96x = 27,829.32 × 11,670.92
  4. Step 4: Simplify right side
    20,162.96x = 324,793,767.37
  5. Step 5: Solve for x
    x = 324,793,767.37/20,162.96
  6. Step 6: Final answer
    x = 16,108.44

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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.