Home / 18,692.14-25,787.36-11,976.34

Finding the Fourth Proportional to 18,692.14, 25,787.36 and 11,976.34

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Solution

The fourth proportional to 18,692.14, 25,787.36 and 11,976.34 is: 16,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.14 : 25,787.36 = 11,976.34 : x
  2. Step 2: Convert to fraction form
    18,692.14/25,787.36 = 11,976.34/x
  3. Step 3: Cross multiply
    18,692.14x = 25,787.36 × 11,976.34
  4. Step 4: Simplify right side
    18,692.14x = 308,838,191.06
  5. Step 5: Solve for x
    x = 308,838,191.06/18,692.14
  6. Step 6: Final answer
    x = 16,522.36

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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.