Home / 13,961.82-19,266.80-7,674.14

Finding the Fourth Proportional to 13,961.82, 19,266.80 and 7,674.14

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Solution

The fourth proportional to 13,961.82, 19,266.80 and 7,674.14 is: 10,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.82 : 19,266.80 = 7,674.14 : x
  2. Step 2: Convert to fraction form
    13,961.82/19,266.80 = 7,674.14/x
  3. Step 3: Cross multiply
    13,961.82x = 19,266.80 × 7,674.14
  4. Step 4: Simplify right side
    13,961.82x = 147,856,120.55
  5. Step 5: Solve for x
    x = 147,856,120.55/13,961.82
  6. Step 6: Final answer
    x = 10,590.03

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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.