Home / 12,445.92-17,175.42-6,856.92

Finding the Fourth Proportional to 12,445.92, 17,175.42 and 6,856.92

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Solution

The fourth proportional to 12,445.92, 17,175.42 and 6,856.92 is: 9,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.92 : 17,175.42 = 6,856.92 : x
  2. Step 2: Convert to fraction form
    12,445.92/17,175.42 = 6,856.92/x
  3. Step 3: Cross multiply
    12,445.92x = 17,175.42 × 6,856.92
  4. Step 4: Simplify right side
    12,445.92x = 117,770,480.91
  5. Step 5: Solve for x
    x = 117,770,480.91/12,445.92
  6. Step 6: Final answer
    x = 9,462.58

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Double scale
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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.