Home / 9,620.20-14,435.70-4,072.60

Finding the Fourth Proportional to 9,620.20, 14,435.70 and 4,072.60

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Solution

The fourth proportional to 9,620.20, 14,435.70 and 4,072.60 is: 6,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.20 : 14,435.70 = 4,072.60 : x
  2. Step 2: Convert to fraction form
    9,620.20/14,435.70 = 4,072.60/x
  3. Step 3: Cross multiply
    9,620.20x = 14,435.70 × 4,072.60
  4. Step 4: Simplify right side
    9,620.20x = 58,790,831.82
  5. Step 5: Solve for x
    x = 58,790,831.82/9,620.20
  6. Step 6: Final answer
    x = 6,111.19

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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.