Home / 16,693.44-23,142.32-15,805.68

Finding the Fourth Proportional to 16,693.44, 23,142.32 and 15,805.68

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Solution

The fourth proportional to 16,693.44, 23,142.32 and 15,805.68 is: 21,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.44 : 23,142.32 = 15,805.68 : x
  2. Step 2: Convert to fraction form
    16,693.44/23,142.32 = 15,805.68/x
  3. Step 3: Cross multiply
    16,693.44x = 23,142.32 × 15,805.68
  4. Step 4: Simplify right side
    16,693.44x = 365,780,104.38
  5. Step 5: Solve for x
    x = 365,780,104.38/16,693.44
  6. Step 6: Final answer
    x = 21,911.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.