Home / 14,175.32-21,255.68-6,379.88

Finding the Fourth Proportional to 14,175.32, 21,255.68 and 6,379.88

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Solution

The fourth proportional to 14,175.32, 21,255.68 and 6,379.88 is: 9,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.32 : 21,255.68 = 6,379.88 : x
  2. Step 2: Convert to fraction form
    14,175.32/21,255.68 = 6,379.88/x
  3. Step 3: Cross multiply
    14,175.32x = 21,255.68 × 6,379.88
  4. Step 4: Simplify right side
    14,175.32x = 135,608,597.39
  5. Step 5: Solve for x
    x = 135,608,597.39/14,175.32
  6. Step 6: Final answer
    x = 9,566.53

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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.