Home / 12,494.88-18,742.56-3,261.12

Finding the Fourth Proportional to 12,494.88, 18,742.56 and 3,261.12

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Solution

The fourth proportional to 12,494.88, 18,742.56 and 3,261.12 is: 4,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.88 : 18,742.56 = 3,261.12 : x
  2. Step 2: Convert to fraction form
    12,494.88/18,742.56 = 3,261.12/x
  3. Step 3: Cross multiply
    12,494.88x = 18,742.56 × 3,261.12
  4. Step 4: Simplify right side
    12,494.88x = 61,121,737.27
  5. Step 5: Solve for x
    x = 61,121,737.27/12,494.88
  6. Step 6: Final answer
    x = 4,891.74

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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.