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Finding the Fourth Proportional to 9,863.74, 13,596.15 and 6,676.03

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Solution

The fourth proportional to 9,863.74, 13,596.15 and 6,676.03 is: 9,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.74 : 13,596.15 = 6,676.03 : x
  2. Step 2: Convert to fraction form
    9,863.74/13,596.15 = 6,676.03/x
  3. Step 3: Cross multiply
    9,863.74x = 13,596.15 × 6,676.03
  4. Step 4: Simplify right side
    9,863.74x = 90,768,305.28
  5. Step 5: Solve for x
    x = 90,768,305.28/9,863.74
  6. Step 6: Final answer
    x = 9,202.22

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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.