Home / 12,187.44-18,286.12-4,397.04

Finding the Fourth Proportional to 12,187.44, 18,286.12 and 4,397.04

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Solution

The fourth proportional to 12,187.44, 18,286.12 and 4,397.04 is: 6,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.44 : 18,286.12 = 4,397.04 : x
  2. Step 2: Convert to fraction form
    12,187.44/18,286.12 = 4,397.04/x
  3. Step 3: Cross multiply
    12,187.44x = 18,286.12 × 4,397.04
  4. Step 4: Simplify right side
    12,187.44x = 80,404,801.08
  5. Step 5: Solve for x
    x = 80,404,801.08/12,187.44
  6. Step 6: Final answer
    x = 6,597.35

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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.