Home / 11,969.28-17,929.44-9,756

Finding the Fourth Proportional to 11,969.28, 17,929.44 and 9,756

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Solution

The fourth proportional to 11,969.28, 17,929.44 and 9,756 is: 14,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.28 : 17,929.44 = 9,756 : x
  2. Step 2: Convert to fraction form
    11,969.28/17,929.44 = 9,756/x
  3. Step 3: Cross multiply
    11,969.28x = 17,929.44 × 9,756
  4. Step 4: Simplify right side
    11,969.28x = 174,919,616.64
  5. Step 5: Solve for x
    x = 174,919,616.64/11,969.28
  6. Step 6: Final answer
    x = 14,614.05

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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.