Home / 9,629.09-13,317.67-8,634

Finding the Fourth Proportional to 9,629.09, 13,317.67 and 8,634

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Solution

The fourth proportional to 9,629.09, 13,317.67 and 8,634 is: 11,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.09 : 13,317.67 = 8,634 : x
  2. Step 2: Convert to fraction form
    9,629.09/13,317.67 = 8,634/x
  3. Step 3: Cross multiply
    9,629.09x = 13,317.67 × 8,634
  4. Step 4: Simplify right side
    9,629.09x = 114,984,762.78
  5. Step 5: Solve for x
    x = 114,984,762.78/9,629.09
  6. Step 6: Final answer
    x = 11,941.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.