Home / 11,747.08-17,630.34-8,815.96

Finding the Fourth Proportional to 11,747.08, 17,630.34 and 8,815.96

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Solution

The fourth proportional to 11,747.08, 17,630.34 and 8,815.96 is: 13,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.08 : 17,630.34 = 8,815.96 : x
  2. Step 2: Convert to fraction form
    11,747.08/17,630.34 = 8,815.96/x
  3. Step 3: Cross multiply
    11,747.08x = 17,630.34 × 8,815.96
  4. Step 4: Simplify right side
    11,747.08x = 155,428,372.23
  5. Step 5: Solve for x
    x = 155,428,372.23/11,747.08
  6. Step 6: Final answer
    x = 13,231.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.