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Finding the Fourth Proportional to 13,037.78, 17,995.08 and 7,375.82

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Solution

The fourth proportional to 13,037.78, 17,995.08 and 7,375.82 is: 10,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.78 : 17,995.08 = 7,375.82 : x
  2. Step 2: Convert to fraction form
    13,037.78/17,995.08 = 7,375.82/x
  3. Step 3: Cross multiply
    13,037.78x = 17,995.08 × 7,375.82
  4. Step 4: Simplify right side
    13,037.78x = 132,728,380.99
  5. Step 5: Solve for x
    x = 132,728,380.99/13,037.78
  6. Step 6: Final answer
    x = 10,180.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.