Home / 12,326.46-18,489.69-11,257.26

Finding the Fourth Proportional to 12,326.46, 18,489.69 and 11,257.26

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Solution

The fourth proportional to 12,326.46, 18,489.69 and 11,257.26 is: 16,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.46 : 18,489.69 = 11,257.26 : x
  2. Step 2: Convert to fraction form
    12,326.46/18,489.69 = 11,257.26/x
  3. Step 3: Cross multiply
    12,326.46x = 18,489.69 × 11,257.26
  4. Step 4: Simplify right side
    12,326.46x = 208,143,247.65
  5. Step 5: Solve for x
    x = 208,143,247.65/12,326.46
  6. Step 6: Final answer
    x = 16,885.89

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.