Home / 11,564.89-17,347.30-2,799.80

Finding the Fourth Proportional to 11,564.89, 17,347.30 and 2,799.80

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Solution

The fourth proportional to 11,564.89, 17,347.30 and 2,799.80 is: 4,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.89 : 17,347.30 = 2,799.80 : x
  2. Step 2: Convert to fraction form
    11,564.89/17,347.30 = 2,799.80/x
  3. Step 3: Cross multiply
    11,564.89x = 17,347.30 × 2,799.80
  4. Step 4: Simplify right side
    11,564.89x = 48,568,970.54
  5. Step 5: Solve for x
    x = 48,568,970.54/11,564.89
  6. Step 6: Final answer
    x = 4,199.69

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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.