Home / 13,589.97-18,725.41-12,654.96

Finding the Fourth Proportional to 13,589.97, 18,725.41 and 12,654.96

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Solution

The fourth proportional to 13,589.97, 18,725.41 and 12,654.96 is: 17,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.97 : 18,725.41 = 12,654.96 : x
  2. Step 2: Convert to fraction form
    13,589.97/18,725.41 = 12,654.96/x
  3. Step 3: Cross multiply
    13,589.97x = 18,725.41 × 12,654.96
  4. Step 4: Simplify right side
    13,589.97x = 236,969,157.63
  5. Step 5: Solve for x
    x = 236,969,157.63/13,589.97
  6. Step 6: Final answer
    x = 17,437.07

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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.