Home / 13,169.39-18,175.52-8,467.34

Finding the Fourth Proportional to 13,169.39, 18,175.52 and 8,467.34

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Solution

The fourth proportional to 13,169.39, 18,175.52 and 8,467.34 is: 11,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.39 : 18,175.52 = 8,467.34 : x
  2. Step 2: Convert to fraction form
    13,169.39/18,175.52 = 8,467.34/x
  3. Step 3: Cross multiply
    13,169.39x = 18,175.52 × 8,467.34
  4. Step 4: Simplify right side
    13,169.39x = 153,898,310.62
  5. Step 5: Solve for x
    x = 153,898,310.62/13,169.39
  6. Step 6: Final answer
    x = 11,686.06

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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.