Home / 12,336.24-18,486.72-11,670.96

Finding the Fourth Proportional to 12,336.24, 18,486.72 and 11,670.96

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Solution

The fourth proportional to 12,336.24, 18,486.72 and 11,670.96 is: 17,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.24 : 18,486.72 = 11,670.96 : x
  2. Step 2: Convert to fraction form
    12,336.24/18,486.72 = 11,670.96/x
  3. Step 3: Cross multiply
    12,336.24x = 18,486.72 × 11,670.96
  4. Step 4: Simplify right side
    12,336.24x = 215,757,769.65
  5. Step 5: Solve for x
    x = 215,757,769.65/12,336.24
  6. Step 6: Final answer
    x = 17,489.75

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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.