Home / 9,661.05-14,491.31-4,112.69

Finding the Fourth Proportional to 9,661.05, 14,491.31 and 4,112.69

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Solution

The fourth proportional to 9,661.05, 14,491.31 and 4,112.69 is: 6,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.05 : 14,491.31 = 4,112.69 : x
  2. Step 2: Convert to fraction form
    9,661.05/14,491.31 = 4,112.69/x
  3. Step 3: Cross multiply
    9,661.05x = 14,491.31 × 4,112.69
  4. Step 4: Simplify right side
    9,661.05x = 59,598,172.70
  5. Step 5: Solve for x
    x = 59,598,172.70/9,661.05
  6. Step 6: Final answer
    x = 6,168.91

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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.