Home / 12,261.85-18,393.01-3,496.97

Finding the Fourth Proportional to 12,261.85, 18,393.01 and 3,496.97

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Solution

The fourth proportional to 12,261.85, 18,393.01 and 3,496.97 is: 5,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.85 : 18,393.01 = 3,496.97 : x
  2. Step 2: Convert to fraction form
    12,261.85/18,393.01 = 3,496.97/x
  3. Step 3: Cross multiply
    12,261.85x = 18,393.01 × 3,496.97
  4. Step 4: Simplify right side
    12,261.85x = 64,319,841.42
  5. Step 5: Solve for x
    x = 64,319,841.42/12,261.85
  6. Step 6: Final answer
    x = 5,245.53

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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.