Home / 19,956.37-27,539.87-11,003.70

Finding the Fourth Proportional to 19,956.37, 27,539.87 and 11,003.70

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Solution

The fourth proportional to 19,956.37, 27,539.87 and 11,003.70 is: 15,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.37 : 27,539.87 = 11,003.70 : x
  2. Step 2: Convert to fraction form
    19,956.37/27,539.87 = 11,003.70/x
  3. Step 3: Cross multiply
    19,956.37x = 27,539.87 × 11,003.70
  4. Step 4: Simplify right side
    19,956.37x = 303,040,412.50
  5. Step 5: Solve for x
    x = 303,040,412.50/19,956.37
  6. Step 6: Final answer
    x = 15,185.15

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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.