Home / 11,881.98-17,824.08-3,116.94

Finding the Fourth Proportional to 11,881.98, 17,824.08 and 3,116.94

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Solution

The fourth proportional to 11,881.98, 17,824.08 and 3,116.94 is: 4,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.98 : 17,824.08 = 3,116.94 : x
  2. Step 2: Convert to fraction form
    11,881.98/17,824.08 = 3,116.94/x
  3. Step 3: Cross multiply
    11,881.98x = 17,824.08 × 3,116.94
  4. Step 4: Simplify right side
    11,881.98x = 55,556,587.92
  5. Step 5: Solve for x
    x = 55,556,587.92/11,881.98
  6. Step 6: Final answer
    x = 4,675.70

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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.