Home / 13,850.82-19,108.08-9,372.96

Finding the Fourth Proportional to 13,850.82, 19,108.08 and 9,372.96

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Solution

The fourth proportional to 13,850.82, 19,108.08 and 9,372.96 is: 12,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.82 : 19,108.08 = 9,372.96 : x
  2. Step 2: Convert to fraction form
    13,850.82/19,108.08 = 9,372.96/x
  3. Step 3: Cross multiply
    13,850.82x = 19,108.08 × 9,372.96
  4. Step 4: Simplify right side
    13,850.82x = 179,099,269.52
  5. Step 5: Solve for x
    x = 179,099,269.52/13,850.82
  6. Step 6: Final answer
    x = 12,930.59

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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.