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Finding the Fourth Proportional to 17,759.84, 26,636.08 and 8,395.88

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Solution

The fourth proportional to 17,759.84, 26,636.08 and 8,395.88 is: 12,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.84 : 26,636.08 = 8,395.88 : x
  2. Step 2: Convert to fraction form
    17,759.84/26,636.08 = 8,395.88/x
  3. Step 3: Cross multiply
    17,759.84x = 26,636.08 × 8,395.88
  4. Step 4: Simplify right side
    17,759.84x = 223,633,331.35
  5. Step 5: Solve for x
    x = 223,633,331.35/17,759.84
  6. Step 6: Final answer
    x = 12,592.08

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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.