Home / 11,805.18-17,718.75-5,965.89

Finding the Fourth Proportional to 11,805.18, 17,718.75 and 5,965.89

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Solution

The fourth proportional to 11,805.18, 17,718.75 and 5,965.89 is: 8,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.18 : 17,718.75 = 5,965.89 : x
  2. Step 2: Convert to fraction form
    11,805.18/17,718.75 = 5,965.89/x
  3. Step 3: Cross multiply
    11,805.18x = 17,718.75 × 5,965.89
  4. Step 4: Simplify right side
    11,805.18x = 105,708,113.44
  5. Step 5: Solve for x
    x = 105,708,113.44/11,805.18
  6. Step 6: Final answer
    x = 8,954.38

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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.