Home / 13,692.44-18,876.75-8,654.14

Finding the Fourth Proportional to 13,692.44, 18,876.75 and 8,654.14

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Solution

The fourth proportional to 13,692.44, 18,876.75 and 8,654.14 is: 11,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.44 : 18,876.75 = 8,654.14 : x
  2. Step 2: Convert to fraction form
    13,692.44/18,876.75 = 8,654.14/x
  3. Step 3: Cross multiply
    13,692.44x = 18,876.75 × 8,654.14
  4. Step 4: Simplify right side
    13,692.44x = 163,362,028.39
  5. Step 5: Solve for x
    x = 163,362,028.39/13,692.44
  6. Step 6: Final answer
    x = 11,930.82

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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.