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Finding the Fourth Proportional to 16,010.40, 24,015.60 and 11,879.40

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Solution

The fourth proportional to 16,010.40, 24,015.60 and 11,879.40 is: 17,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,010.40 : 24,015.60 = 11,879.40 : x
  2. Step 2: Convert to fraction form
    16,010.40/24,015.60 = 11,879.40/x
  3. Step 3: Cross multiply
    16,010.40x = 24,015.60 × 11,879.40
  4. Step 4: Simplify right side
    16,010.40x = 285,290,918.64
  5. Step 5: Solve for x
    x = 285,290,918.64/16,010.40
  6. Step 6: Final answer
    x = 17,819.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.