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Finding the Fourth Proportional to 11,364.63, 17,025.08 and 9,286.98

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Solution

The fourth proportional to 11,364.63, 17,025.08 and 9,286.98 is: 13,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.63 : 17,025.08 = 9,286.98 : x
  2. Step 2: Convert to fraction form
    11,364.63/17,025.08 = 9,286.98/x
  3. Step 3: Cross multiply
    11,364.63x = 17,025.08 × 9,286.98
  4. Step 4: Simplify right side
    11,364.63x = 158,111,531.02
  5. Step 5: Solve for x
    x = 158,111,531.02/11,364.63
  6. Step 6: Final answer
    x = 13,912.60

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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.