Home / 12,517.56-18,775.62-3,752.64

Finding the Fourth Proportional to 12,517.56, 18,775.62 and 3,752.64

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Solution

The fourth proportional to 12,517.56, 18,775.62 and 3,752.64 is: 5,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.56 : 18,775.62 = 3,752.64 : x
  2. Step 2: Convert to fraction form
    12,517.56/18,775.62 = 3,752.64/x
  3. Step 3: Cross multiply
    12,517.56x = 18,775.62 × 3,752.64
  4. Step 4: Simplify right side
    12,517.56x = 70,458,142.64
  5. Step 5: Solve for x
    x = 70,458,142.64/12,517.56
  6. Step 6: Final answer
    x = 5,628.74

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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.