Home / 11,881.34-16,367.70-9,992.96

Finding the Fourth Proportional to 11,881.34, 16,367.70 and 9,992.96

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Solution

The fourth proportional to 11,881.34, 16,367.70 and 9,992.96 is: 13,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.34 : 16,367.70 = 9,992.96 : x
  2. Step 2: Convert to fraction form
    11,881.34/16,367.70 = 9,992.96/x
  3. Step 3: Cross multiply
    11,881.34x = 16,367.70 × 9,992.96
  4. Step 4: Simplify right side
    11,881.34x = 163,561,771.39
  5. Step 5: Solve for x
    x = 163,561,771.39/11,881.34
  6. Step 6: Final answer
    x = 13,766.27

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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.