Home / 9,175.21-12,665.66-6,195.08

Finding the Fourth Proportional to 9,175.21, 12,665.66 and 6,195.08

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Solution

The fourth proportional to 9,175.21, 12,665.66 and 6,195.08 is: 8,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.21 : 12,665.66 = 6,195.08 : x
  2. Step 2: Convert to fraction form
    9,175.21/12,665.66 = 6,195.08/x
  3. Step 3: Cross multiply
    9,175.21x = 12,665.66 × 6,195.08
  4. Step 4: Simplify right side
    9,175.21x = 78,464,776.95
  5. Step 5: Solve for x
    x = 78,464,776.95/9,175.21
  6. Step 6: Final answer
    x = 8,551.82

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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.