Home / 11,478.26-17,213.10-6,799.28

Finding the Fourth Proportional to 11,478.26, 17,213.10 and 6,799.28

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Solution

The fourth proportional to 11,478.26, 17,213.10 and 6,799.28 is: 10,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.26 : 17,213.10 = 6,799.28 : x
  2. Step 2: Convert to fraction form
    11,478.26/17,213.10 = 6,799.28/x
  3. Step 3: Cross multiply
    11,478.26x = 17,213.10 × 6,799.28
  4. Step 4: Simplify right side
    11,478.26x = 117,036,686.57
  5. Step 5: Solve for x
    x = 117,036,686.57/11,478.26
  6. Step 6: Final answer
    x = 10,196.38

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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.