Home / 12,528.24-18,796.05-3,764.49

Finding the Fourth Proportional to 12,528.24, 18,796.05 and 3,764.49

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Solution

The fourth proportional to 12,528.24, 18,796.05 and 3,764.49 is: 5,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.24 : 18,796.05 = 3,764.49 : x
  2. Step 2: Convert to fraction form
    12,528.24/18,796.05 = 3,764.49/x
  3. Step 3: Cross multiply
    12,528.24x = 18,796.05 × 3,764.49
  4. Step 4: Simplify right side
    12,528.24x = 70,757,542.26
  5. Step 5: Solve for x
    x = 70,757,542.26/12,528.24
  6. Step 6: Final answer
    x = 5,647.84

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1.5x scale

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.