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Finding the Fourth Proportional to 17,000.96, 25,511.38 and 7,139.38

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Solution

The fourth proportional to 17,000.96, 25,511.38 and 7,139.38 is: 10,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.96 : 25,511.38 = 7,139.38 : x
  2. Step 2: Convert to fraction form
    17,000.96/25,511.38 = 7,139.38/x
  3. Step 3: Cross multiply
    17,000.96x = 25,511.38 × 7,139.38
  4. Step 4: Simplify right side
    17,000.96x = 182,135,436.14
  5. Step 5: Solve for x
    x = 182,135,436.14/17,000.96
  6. Step 6: Final answer
    x = 10,713.24

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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.