Home / 10,218.06-15,324.66-2,822.36

Finding the Fourth Proportional to 10,218.06, 15,324.66 and 2,822.36

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Solution

The fourth proportional to 10,218.06, 15,324.66 and 2,822.36 is: 4,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.06 : 15,324.66 = 2,822.36 : x
  2. Step 2: Convert to fraction form
    10,218.06/15,324.66 = 2,822.36/x
  3. Step 3: Cross multiply
    10,218.06x = 15,324.66 × 2,822.36
  4. Step 4: Simplify right side
    10,218.06x = 43,251,630.77
  5. Step 5: Solve for x
    x = 43,251,630.77/10,218.06
  6. Step 6: Final answer
    x = 4,232.86

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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.