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Finding the Fourth Proportional to 16,745.69, 25,122.36 and 7,259.59

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Solution

The fourth proportional to 16,745.69, 25,122.36 and 7,259.59 is: 10,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.69 : 25,122.36 = 7,259.59 : x
  2. Step 2: Convert to fraction form
    16,745.69/25,122.36 = 7,259.59/x
  3. Step 3: Cross multiply
    16,745.69x = 25,122.36 × 7,259.59
  4. Step 4: Simplify right side
    16,745.69x = 182,377,970.63
  5. Step 5: Solve for x
    x = 182,377,970.63/16,745.69
  6. Step 6: Final answer
    x = 10,891.04

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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.