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Finding the Fourth Proportional to 9,264.35, 12,804.80 and 8,194.54

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Solution

The fourth proportional to 9,264.35, 12,804.80 and 8,194.54 is: 11,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.35 : 12,804.80 = 8,194.54 : x
  2. Step 2: Convert to fraction form
    9,264.35/12,804.80 = 8,194.54/x
  3. Step 3: Cross multiply
    9,264.35x = 12,804.80 × 8,194.54
  4. Step 4: Simplify right side
    9,264.35x = 104,929,372.81
  5. Step 5: Solve for x
    x = 104,929,372.81/9,264.35
  6. Step 6: Final answer
    x = 11,326.15

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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.