Home / 12,375.27-18,552.48-8,415.44

Finding the Fourth Proportional to 12,375.27, 18,552.48 and 8,415.44

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Solution

The fourth proportional to 12,375.27, 18,552.48 and 8,415.44 is: 12,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.27 : 18,552.48 = 8,415.44 : x
  2. Step 2: Convert to fraction form
    12,375.27/18,552.48 = 8,415.44/x
  3. Step 3: Cross multiply
    12,375.27x = 18,552.48 × 8,415.44
  4. Step 4: Simplify right side
    12,375.27x = 156,127,189.53
  5. Step 5: Solve for x
    x = 156,127,189.53/12,375.27
  6. Step 6: Final answer
    x = 12,616.06

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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.