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Finding the Fourth Proportional to 17,886.44, 26,830.22 and 8,527.48

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Solution

The fourth proportional to 17,886.44, 26,830.22 and 8,527.48 is: 12,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.44 : 26,830.22 = 8,527.48 : x
  2. Step 2: Convert to fraction form
    17,886.44/26,830.22 = 8,527.48/x
  3. Step 3: Cross multiply
    17,886.44x = 26,830.22 × 8,527.48
  4. Step 4: Simplify right side
    17,886.44x = 228,794,164.45
  5. Step 5: Solve for x
    x = 228,794,164.45/17,886.44
  6. Step 6: Final answer
    x = 12,791.49

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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.