Home / 13,660.83-18,850.39-7,692.35

Finding the Fourth Proportional to 13,660.83, 18,850.39 and 7,692.35

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Solution

The fourth proportional to 13,660.83, 18,850.39 and 7,692.35 is: 10,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.83 : 18,850.39 = 7,692.35 : x
  2. Step 2: Convert to fraction form
    13,660.83/18,850.39 = 7,692.35/x
  3. Step 3: Cross multiply
    13,660.83x = 18,850.39 × 7,692.35
  4. Step 4: Simplify right side
    13,660.83x = 145,003,684.03
  5. Step 5: Solve for x
    x = 145,003,684.03/13,660.83
  6. Step 6: Final answer
    x = 10,614.56

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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.