Home / 9,965.05-14,940.58-4,415.38

Finding the Fourth Proportional to 9,965.05, 14,940.58 and 4,415.38

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Solution

The fourth proportional to 9,965.05, 14,940.58 and 4,415.38 is: 6,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.05 : 14,940.58 = 4,415.38 : x
  2. Step 2: Convert to fraction form
    9,965.05/14,940.58 = 4,415.38/x
  3. Step 3: Cross multiply
    9,965.05x = 14,940.58 × 4,415.38
  4. Step 4: Simplify right side
    9,965.05x = 65,968,338.12
  5. Step 5: Solve for x
    x = 65,968,338.12/9,965.05
  6. Step 6: Final answer
    x = 6,619.97

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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.