Home / 11,983.76-17,967.87-4,961.87

Finding the Fourth Proportional to 11,983.76, 17,967.87 and 4,961.87

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Solution

The fourth proportional to 11,983.76, 17,967.87 and 4,961.87 is: 7,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.76 : 17,967.87 = 4,961.87 : x
  2. Step 2: Convert to fraction form
    11,983.76/17,967.87 = 4,961.87/x
  3. Step 3: Cross multiply
    11,983.76x = 17,967.87 × 4,961.87
  4. Step 4: Simplify right side
    11,983.76x = 89,154,235.12
  5. Step 5: Solve for x
    x = 89,154,235.12/11,983.76
  6. Step 6: Final answer
    x = 7,439.59

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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.