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Finding the Fourth Proportional to 18,035.64, 27,063.15 and 8,801.64

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Solution

The fourth proportional to 18,035.64, 27,063.15 and 8,801.64 is: 13,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.64 : 27,063.15 = 8,801.64 : x
  2. Step 2: Convert to fraction form
    18,035.64/27,063.15 = 8,801.64/x
  3. Step 3: Cross multiply
    18,035.64x = 27,063.15 × 8,801.64
  4. Step 4: Simplify right side
    18,035.64x = 238,200,103.57
  5. Step 5: Solve for x
    x = 238,200,103.57/18,035.64
  6. Step 6: Final answer
    x = 13,207.19

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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.