Home / 13,738.88-20,626.32-8,795.36

Finding the Fourth Proportional to 13,738.88, 20,626.32 and 8,795.36

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Solution

The fourth proportional to 13,738.88, 20,626.32 and 8,795.36 is: 13,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.88 : 20,626.32 = 8,795.36 : x
  2. Step 2: Convert to fraction form
    13,738.88/20,626.32 = 8,795.36/x
  3. Step 3: Cross multiply
    13,738.88x = 20,626.32 × 8,795.36
  4. Step 4: Simplify right side
    13,738.88x = 181,415,909.88
  5. Step 5: Solve for x
    x = 181,415,909.88/13,738.88
  6. Step 6: Final answer
    x = 13,204.56

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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.