Home / 10,220.06-15,327.66-2,824.36

Finding the Fourth Proportional to 10,220.06, 15,327.66 and 2,824.36

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Solution

The fourth proportional to 10,220.06, 15,327.66 and 2,824.36 is: 4,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.06 : 15,327.66 = 2,824.36 : x
  2. Step 2: Convert to fraction form
    10,220.06/15,327.66 = 2,824.36/x
  3. Step 3: Cross multiply
    10,220.06x = 15,327.66 × 2,824.36
  4. Step 4: Simplify right side
    10,220.06x = 43,290,753.16
  5. Step 5: Solve for x
    x = 43,290,753.16/10,220.06
  6. Step 6: Final answer
    x = 4,235.86

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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.