Home / 10,211.36-15,323.16-4,367.96

Finding the Fourth Proportional to 10,211.36, 15,323.16 and 4,367.96

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Solution

The fourth proportional to 10,211.36, 15,323.16 and 4,367.96 is: 6,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.36 : 15,323.16 = 4,367.96 : x
  2. Step 2: Convert to fraction form
    10,211.36/15,323.16 = 4,367.96/x
  3. Step 3: Cross multiply
    10,211.36x = 15,323.16 × 4,367.96
  4. Step 4: Simplify right side
    10,211.36x = 66,930,949.95
  5. Step 5: Solve for x
    x = 66,930,949.95/10,211.36
  6. Step 6: Final answer
    x = 6,554.56

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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.