Home / 9,991.25-14,984.29-2,969.61

Finding the Fourth Proportional to 9,991.25, 14,984.29 and 2,969.61

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Solution

The fourth proportional to 9,991.25, 14,984.29 and 2,969.61 is: 4,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.25 : 14,984.29 = 2,969.61 : x
  2. Step 2: Convert to fraction form
    9,991.25/14,984.29 = 2,969.61/x
  3. Step 3: Cross multiply
    9,991.25x = 14,984.29 × 2,969.61
  4. Step 4: Simplify right side
    9,991.25x = 44,497,497.43
  5. Step 5: Solve for x
    x = 44,497,497.43/9,991.25
  6. Step 6: Final answer
    x = 4,453.65

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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.