Home / 12,628.62-17,427.60-6,963.57

Finding the Fourth Proportional to 12,628.62, 17,427.60 and 6,963.57

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Solution

The fourth proportional to 12,628.62, 17,427.60 and 6,963.57 is: 9,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.62 : 17,427.60 = 6,963.57 : x
  2. Step 2: Convert to fraction form
    12,628.62/17,427.60 = 6,963.57/x
  3. Step 3: Cross multiply
    12,628.62x = 17,427.60 × 6,963.57
  4. Step 4: Simplify right side
    12,628.62x = 121,358,312.53
  5. Step 5: Solve for x
    x = 121,358,312.53/12,628.62
  6. Step 6: Final answer
    x = 9,609.78

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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.