Home / 18,849.12-28,272.48-6,369.44

Finding the Fourth Proportional to 18,849.12, 28,272.48 and 6,369.44

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Solution

The fourth proportional to 18,849.12, 28,272.48 and 6,369.44 is: 9,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.12 : 28,272.48 = 6,369.44 : x
  2. Step 2: Convert to fraction form
    18,849.12/28,272.48 = 6,369.44/x
  3. Step 3: Cross multiply
    18,849.12x = 28,272.48 × 6,369.44
  4. Step 4: Simplify right side
    18,849.12x = 180,079,865.01
  5. Step 5: Solve for x
    x = 180,079,865.01/18,849.12
  6. Step 6: Final answer
    x = 9,553.75

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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.