Home / 11,956.69-17,943.21-4,165.51

Finding the Fourth Proportional to 11,956.69, 17,943.21 and 4,165.51

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Solution

The fourth proportional to 11,956.69, 17,943.21 and 4,165.51 is: 6,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.69 : 17,943.21 = 4,165.51 : x
  2. Step 2: Convert to fraction form
    11,956.69/17,943.21 = 4,165.51/x
  3. Step 3: Cross multiply
    11,956.69x = 17,943.21 × 4,165.51
  4. Step 4: Simplify right side
    11,956.69x = 74,742,620.69
  5. Step 5: Solve for x
    x = 74,742,620.69/11,956.69
  6. Step 6: Final answer
    x = 6,251.11

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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.