Home / 9,825.62-13,542.27-8,558.78

Finding the Fourth Proportional to 9,825.62, 13,542.27 and 8,558.78

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Solution

The fourth proportional to 9,825.62, 13,542.27 and 8,558.78 is: 11,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.62 : 13,542.27 = 8,558.78 : x
  2. Step 2: Convert to fraction form
    9,825.62/13,542.27 = 8,558.78/x
  3. Step 3: Cross multiply
    9,825.62x = 13,542.27 × 8,558.78
  4. Step 4: Simplify right side
    9,825.62x = 115,905,309.63
  5. Step 5: Solve for x
    x = 115,905,309.63/9,825.62
  6. Step 6: Final answer
    x = 11,796.23

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1.5x scale

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.