Home / 11,383.20-17,074.50-4,807.62

Finding the Fourth Proportional to 11,383.20, 17,074.50 and 4,807.62

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Solution

The fourth proportional to 11,383.20, 17,074.50 and 4,807.62 is: 7,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.20 : 17,074.50 = 4,807.62 : x
  2. Step 2: Convert to fraction form
    11,383.20/17,074.50 = 4,807.62/x
  3. Step 3: Cross multiply
    11,383.20x = 17,074.50 × 4,807.62
  4. Step 4: Simplify right side
    11,383.20x = 82,087,707.69
  5. Step 5: Solve for x
    x = 82,087,707.69/11,383.20
  6. Step 6: Final answer
    x = 7,211.30

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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.