Home / 11,924.28-17,886.42-3,159.87

Finding the Fourth Proportional to 11,924.28, 17,886.42 and 3,159.87

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Solution

The fourth proportional to 11,924.28, 17,886.42 and 3,159.87 is: 4,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.28 : 17,886.42 = 3,159.87 : x
  2. Step 2: Convert to fraction form
    11,924.28/17,886.42 = 3,159.87/x
  3. Step 3: Cross multiply
    11,924.28x = 17,886.42 × 3,159.87
  4. Step 4: Simplify right side
    11,924.28x = 56,518,761.97
  5. Step 5: Solve for x
    x = 56,518,761.97/11,924.28
  6. Step 6: Final answer
    x = 4,739.81

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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.