Home / 13,994.96-21,021.60-11,807.96

Finding the Fourth Proportional to 13,994.96, 21,021.60 and 11,807.96

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Solution

The fourth proportional to 13,994.96, 21,021.60 and 11,807.96 is: 17,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.96 : 21,021.60 = 11,807.96 : x
  2. Step 2: Convert to fraction form
    13,994.96/21,021.60 = 11,807.96/x
  3. Step 3: Cross multiply
    13,994.96x = 21,021.60 × 11,807.96
  4. Step 4: Simplify right side
    13,994.96x = 248,222,211.94
  5. Step 5: Solve for x
    x = 248,222,211.94/13,994.96
  6. Step 6: Final answer
    x = 17,736.54

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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.