Home / 11,630.27-17,431.11-5,381.81

Finding the Fourth Proportional to 11,630.27, 17,431.11 and 5,381.81

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Solution

The fourth proportional to 11,630.27, 17,431.11 and 5,381.81 is: 8,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.27 : 17,431.11 = 5,381.81 : x
  2. Step 2: Convert to fraction form
    11,630.27/17,431.11 = 5,381.81/x
  3. Step 3: Cross multiply
    11,630.27x = 17,431.11 × 5,381.81
  4. Step 4: Simplify right side
    11,630.27x = 93,810,922.11
  5. Step 5: Solve for x
    x = 93,810,922.11/11,630.27
  6. Step 6: Final answer
    x = 8,066.10

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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.