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Finding the Fourth Proportional to 17,084.90, 25,598.55 and 8,300.90

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Solution

The fourth proportional to 17,084.90, 25,598.55 and 8,300.90 is: 12,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,084.90 : 25,598.55 = 8,300.90 : x
  2. Step 2: Convert to fraction form
    17,084.90/25,598.55 = 8,300.90/x
  3. Step 3: Cross multiply
    17,084.90x = 25,598.55 × 8,300.90
  4. Step 4: Simplify right side
    17,084.90x = 212,491,003.70
  5. Step 5: Solve for x
    x = 212,491,003.70/17,084.90
  6. Step 6: Final answer
    x = 12,437.36

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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.