Home / 11,613.62-16,026.82-6,308.40

Finding the Fourth Proportional to 11,613.62, 16,026.82 and 6,308.40

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Solution

The fourth proportional to 11,613.62, 16,026.82 and 6,308.40 is: 8,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.62 : 16,026.82 = 6,308.40 : x
  2. Step 2: Convert to fraction form
    11,613.62/16,026.82 = 6,308.40/x
  3. Step 3: Cross multiply
    11,613.62x = 16,026.82 × 6,308.40
  4. Step 4: Simplify right side
    11,613.62x = 101,103,591.29
  5. Step 5: Solve for x
    x = 101,103,591.29/11,613.62
  6. Step 6: Final answer
    x = 8,705.61

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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.