Home / 16,774.62-23,148.09-9,221.91

Finding the Fourth Proportional to 16,774.62, 23,148.09 and 9,221.91

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Solution

The fourth proportional to 16,774.62, 23,148.09 and 9,221.91 is: 12,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.62 : 23,148.09 = 9,221.91 : x
  2. Step 2: Convert to fraction form
    16,774.62/23,148.09 = 9,221.91/x
  3. Step 3: Cross multiply
    16,774.62x = 23,148.09 × 9,221.91
  4. Step 4: Simplify right side
    16,774.62x = 213,469,602.65
  5. Step 5: Solve for x
    x = 213,469,602.65/16,774.62
  6. Step 6: Final answer
    x = 12,725.75

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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.