Home / 11,827.14-17,742.08-3,930.36

Finding the Fourth Proportional to 11,827.14, 17,742.08 and 3,930.36

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Solution

The fourth proportional to 11,827.14, 17,742.08 and 3,930.36 is: 5,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.14 : 17,742.08 = 3,930.36 : x
  2. Step 2: Convert to fraction form
    11,827.14/17,742.08 = 3,930.36/x
  3. Step 3: Cross multiply
    11,827.14x = 17,742.08 × 3,930.36
  4. Step 4: Simplify right side
    11,827.14x = 69,732,653.19
  5. Step 5: Solve for x
    x = 69,732,653.19/11,827.14
  6. Step 6: Final answer
    x = 5,895.99

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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.