Home / 9,930.47-14,891.94-2,908.98

Finding the Fourth Proportional to 9,930.47, 14,891.94 and 2,908.98

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Solution

The fourth proportional to 9,930.47, 14,891.94 and 2,908.98 is: 4,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.47 : 14,891.94 = 2,908.98 : x
  2. Step 2: Convert to fraction form
    9,930.47/14,891.94 = 2,908.98/x
  3. Step 3: Cross multiply
    9,930.47x = 14,891.94 × 2,908.98
  4. Step 4: Simplify right side
    9,930.47x = 43,320,355.62
  5. Step 5: Solve for x
    x = 43,320,355.62/9,930.47
  6. Step 6: Final answer
    x = 4,362.37

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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.