Home / 13,944.84-20,917.28-9,803.37

Finding the Fourth Proportional to 13,944.84, 20,917.28 and 9,803.37

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Solution

The fourth proportional to 13,944.84, 20,917.28 and 9,803.37 is: 14,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.84 : 20,917.28 = 9,803.37 : x
  2. Step 2: Convert to fraction form
    13,944.84/20,917.28 = 9,803.37/x
  3. Step 3: Cross multiply
    13,944.84x = 20,917.28 × 9,803.37
  4. Step 4: Simplify right side
    13,944.84x = 205,059,786.22
  5. Step 5: Solve for x
    x = 205,059,786.22/13,944.84
  6. Step 6: Final answer
    x = 14,705.07

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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.