Home / 10,851.80-14,975.20-6,375.44

Finding the Fourth Proportional to 10,851.80, 14,975.20 and 6,375.44

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Solution

The fourth proportional to 10,851.80, 14,975.20 and 6,375.44 is: 8,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.80 : 14,975.20 = 6,375.44 : x
  2. Step 2: Convert to fraction form
    10,851.80/14,975.20 = 6,375.44/x
  3. Step 3: Cross multiply
    10,851.80x = 14,975.20 × 6,375.44
  4. Step 4: Simplify right side
    10,851.80x = 95,473,489.09
  5. Step 5: Solve for x
    x = 95,473,489.09/10,851.80
  6. Step 6: Final answer
    x = 8,797.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.