Home / 9,199.23-12,691.64-6,175.09

Finding the Fourth Proportional to 9,199.23, 12,691.64 and 6,175.09

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Solution

The fourth proportional to 9,199.23, 12,691.64 and 6,175.09 is: 8,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.23 : 12,691.64 = 6,175.09 : x
  2. Step 2: Convert to fraction form
    9,199.23/12,691.64 = 6,175.09/x
  3. Step 3: Cross multiply
    9,199.23x = 12,691.64 × 6,175.09
  4. Step 4: Simplify right side
    9,199.23x = 78,372,019.25
  5. Step 5: Solve for x
    x = 78,372,019.25/9,199.23
  6. Step 6: Final answer
    x = 8,519.41

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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.