Home / 18,354.21-25,304.70-13,245.44

Finding the Fourth Proportional to 18,354.21, 25,304.70 and 13,245.44

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Solution

The fourth proportional to 18,354.21, 25,304.70 and 13,245.44 is: 18,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.21 : 25,304.70 = 13,245.44 : x
  2. Step 2: Convert to fraction form
    18,354.21/25,304.70 = 13,245.44/x
  3. Step 3: Cross multiply
    18,354.21x = 25,304.70 × 13,245.44
  4. Step 4: Simplify right side
    18,354.21x = 335,171,759.04
  5. Step 5: Solve for x
    x = 335,171,759.04/18,354.21
  6. Step 6: Final answer
    x = 18,261.30

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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.