Home / 16,725.25-23,080.30-9,171.39

Finding the Fourth Proportional to 16,725.25, 23,080.30 and 9,171.39

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Solution

The fourth proportional to 16,725.25, 23,080.30 and 9,171.39 is: 12,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.25 : 23,080.30 = 9,171.39 : x
  2. Step 2: Convert to fraction form
    16,725.25/23,080.30 = 9,171.39/x
  3. Step 3: Cross multiply
    16,725.25x = 23,080.30 × 9,171.39
  4. Step 4: Simplify right side
    16,725.25x = 211,678,432.62
  5. Step 5: Solve for x
    x = 211,678,432.62/16,725.25
  6. Step 6: Final answer
    x = 12,656.22

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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.