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Finding the Fourth Proportional to 17,045.54, 25,560.11 and 7,179.44

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Solution

The fourth proportional to 17,045.54, 25,560.11 and 7,179.44 is: 10,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.54 : 25,560.11 = 7,179.44 : x
  2. Step 2: Convert to fraction form
    17,045.54/25,560.11 = 7,179.44/x
  3. Step 3: Cross multiply
    17,045.54x = 25,560.11 × 7,179.44
  4. Step 4: Simplify right side
    17,045.54x = 183,507,125.90
  5. Step 5: Solve for x
    x = 183,507,125.90/17,045.54
  6. Step 6: Final answer
    x = 10,765.70

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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.