Home / 19,956.21-27,539.76-11,003.48

Finding the Fourth Proportional to 19,956.21, 27,539.76 and 11,003.48

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Solution

The fourth proportional to 19,956.21, 27,539.76 and 11,003.48 is: 15,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.21 : 27,539.76 = 11,003.48 : x
  2. Step 2: Convert to fraction form
    19,956.21/27,539.76 = 11,003.48/x
  3. Step 3: Cross multiply
    19,956.21x = 27,539.76 × 11,003.48
  4. Step 4: Simplify right side
    19,956.21x = 303,033,205.20
  5. Step 5: Solve for x
    x = 303,033,205.20/19,956.21
  6. Step 6: Final answer
    x = 15,184.91

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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.