Home / 10,202.03-15,303.21-2,806.44

Finding the Fourth Proportional to 10,202.03, 15,303.21 and 2,806.44

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Solution

The fourth proportional to 10,202.03, 15,303.21 and 2,806.44 is: 4,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.03 : 15,303.21 = 2,806.44 : x
  2. Step 2: Convert to fraction form
    10,202.03/15,303.21 = 2,806.44/x
  3. Step 3: Cross multiply
    10,202.03x = 15,303.21 × 2,806.44
  4. Step 4: Simplify right side
    10,202.03x = 42,947,540.67
  5. Step 5: Solve for x
    x = 42,947,540.67/10,202.03
  6. Step 6: Final answer
    x = 4,209.71

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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.