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Finding the Fourth Proportional to 16,684.48, 23,016.48 and 11,021.44

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Solution

The fourth proportional to 16,684.48, 23,016.48 and 11,021.44 is: 15,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684.48 : 23,016.48 = 11,021.44 : x
  2. Step 2: Convert to fraction form
    16,684.48/23,016.48 = 11,021.44/x
  3. Step 3: Cross multiply
    16,684.48x = 23,016.48 × 11,021.44
  4. Step 4: Simplify right side
    16,684.48x = 253,674,753.33
  5. Step 5: Solve for x
    x = 253,674,753.33/16,684.48
  6. Step 6: Final answer
    x = 15,204.23

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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.