Home / 11,080.62-15,286.50-6,363.90

Finding the Fourth Proportional to 11,080.62, 15,286.50 and 6,363.90

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Solution

The fourth proportional to 11,080.62, 15,286.50 and 6,363.90 is: 8,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.62 : 15,286.50 = 6,363.90 : x
  2. Step 2: Convert to fraction form
    11,080.62/15,286.50 = 6,363.90/x
  3. Step 3: Cross multiply
    11,080.62x = 15,286.50 × 6,363.90
  4. Step 4: Simplify right side
    11,080.62x = 97,281,757.35
  5. Step 5: Solve for x
    x = 97,281,757.35/11,080.62
  6. Step 6: Final answer
    x = 8,779.45

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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.