Home / 12,505.72-18,757.14-3,272.44

Finding the Fourth Proportional to 12,505.72, 18,757.14 and 3,272.44

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Solution

The fourth proportional to 12,505.72, 18,757.14 and 3,272.44 is: 4,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.72 : 18,757.14 = 3,272.44 : x
  2. Step 2: Convert to fraction form
    12,505.72/18,757.14 = 3,272.44/x
  3. Step 3: Cross multiply
    12,505.72x = 18,757.14 × 3,272.44
  4. Step 4: Simplify right side
    12,505.72x = 61,381,615.22
  5. Step 5: Solve for x
    x = 61,381,615.22/12,505.72
  6. Step 6: Final answer
    x = 4,908.28

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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.