Home / 11,318.34-16,971.30-3,922.14

Finding the Fourth Proportional to 11,318.34, 16,971.30 and 3,922.14

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Solution

The fourth proportional to 11,318.34, 16,971.30 and 3,922.14 is: 5,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.34 : 16,971.30 = 3,922.14 : x
  2. Step 2: Convert to fraction form
    11,318.34/16,971.30 = 3,922.14/x
  3. Step 3: Cross multiply
    11,318.34x = 16,971.30 × 3,922.14
  4. Step 4: Simplify right side
    11,318.34x = 66,563,814.58
  5. Step 5: Solve for x
    x = 66,563,814.58/11,318.34
  6. Step 6: Final answer
    x = 5,881.06

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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.