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Finding the Fourth Proportional to 9,255.80, 13,913.78 and 7,426.92

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Solution

The fourth proportional to 9,255.80, 13,913.78 and 7,426.92 is: 11,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.80 : 13,913.78 = 7,426.92 : x
  2. Step 2: Convert to fraction form
    9,255.80/13,913.78 = 7,426.92/x
  3. Step 3: Cross multiply
    9,255.80x = 13,913.78 × 7,426.92
  4. Step 4: Simplify right side
    9,255.80x = 103,336,546.00
  5. Step 5: Solve for x
    x = 103,336,546.00/9,255.80
  6. Step 6: Final answer
    x = 11,164.52

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1.5x scale

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.