Home / 9,968.70-14,949.81-5,286.09

Finding the Fourth Proportional to 9,968.70, 14,949.81 and 5,286.09

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Solution

The fourth proportional to 9,968.70, 14,949.81 and 5,286.09 is: 7,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.70 : 14,949.81 = 5,286.09 : x
  2. Step 2: Convert to fraction form
    9,968.70/14,949.81 = 5,286.09/x
  3. Step 3: Cross multiply
    9,968.70x = 14,949.81 × 5,286.09
  4. Step 4: Simplify right side
    9,968.70x = 79,026,041.14
  5. Step 5: Solve for x
    x = 79,026,041.14/9,968.70
  6. Step 6: Final answer
    x = 7,927.42

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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.