Home / 13,786.44-19,017.57-8,480.22

Finding the Fourth Proportional to 13,786.44, 19,017.57 and 8,480.22

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Solution

The fourth proportional to 13,786.44, 19,017.57 and 8,480.22 is: 11,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.44 : 19,017.57 = 8,480.22 : x
  2. Step 2: Convert to fraction form
    13,786.44/19,017.57 = 8,480.22/x
  3. Step 3: Cross multiply
    13,786.44x = 19,017.57 × 8,480.22
  4. Step 4: Simplify right side
    13,786.44x = 161,273,177.47
  5. Step 5: Solve for x
    x = 161,273,177.47/13,786.44
  6. Step 6: Final answer
    x = 11,697.96

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1.5x scale

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.