Home / 11,219.97-15,371.42-10,799.58

Finding the Fourth Proportional to 11,219.97, 15,371.42 and 10,799.58

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Solution

The fourth proportional to 11,219.97, 15,371.42 and 10,799.58 is: 14,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.97 : 15,371.42 = 10,799.58 : x
  2. Step 2: Convert to fraction form
    11,219.97/15,371.42 = 10,799.58/x
  3. Step 3: Cross multiply
    11,219.97x = 15,371.42 × 10,799.58
  4. Step 4: Simplify right side
    11,219.97x = 166,004,826.01
  5. Step 5: Solve for x
    x = 166,004,826.01/11,219.97
  6. Step 6: Final answer
    x = 14,795.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.