Home / 23,245.30-32,078.38-13,175.64

Finding the Fourth Proportional to 23,245.30, 32,078.38 and 13,175.64

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Solution

The fourth proportional to 23,245.30, 32,078.38 and 13,175.64 is: 18,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.30 : 32,078.38 = 13,175.64 : x
  2. Step 2: Convert to fraction form
    23,245.30/32,078.38 = 13,175.64/x
  3. Step 3: Cross multiply
    23,245.30x = 32,078.38 × 13,175.64
  4. Step 4: Simplify right side
    23,245.30x = 422,653,153.72
  5. Step 5: Solve for x
    x = 422,653,153.72/23,245.30
  6. Step 6: Final answer
    x = 18,182.31

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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.