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Finding the Fourth Proportional to 17,008.76, 25,515.78 and 8,684.26

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Solution

The fourth proportional to 17,008.76, 25,515.78 and 8,684.26 is: 13,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.76 : 25,515.78 = 8,684.26 : x
  2. Step 2: Convert to fraction form
    17,008.76/25,515.78 = 8,684.26/x
  3. Step 3: Cross multiply
    17,008.76x = 25,515.78 × 8,684.26
  4. Step 4: Simplify right side
    17,008.76x = 221,585,667.62
  5. Step 5: Solve for x
    x = 221,585,667.62/17,008.76
  6. Step 6: Final answer
    x = 13,027.74

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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.