Home / 13,692.28-20,538.36-3,304

Finding the Fourth Proportional to 13,692.28, 20,538.36 and 3,304

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Solution

The fourth proportional to 13,692.28, 20,538.36 and 3,304 is: 4,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.28 : 20,538.36 = 3,304 : x
  2. Step 2: Convert to fraction form
    13,692.28/20,538.36 = 3,304/x
  3. Step 3: Cross multiply
    13,692.28x = 20,538.36 × 3,304
  4. Step 4: Simplify right side
    13,692.28x = 67,858,741.44
  5. Step 5: Solve for x
    x = 67,858,741.44/13,692.28
  6. Step 6: Final answer
    x = 4,955.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.