Home / 19,169.64-26,446.50-11,721.96

Finding the Fourth Proportional to 19,169.64, 26,446.50 and 11,721.96

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Solution

The fourth proportional to 19,169.64, 26,446.50 and 11,721.96 is: 16,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.64 : 26,446.50 = 11,721.96 : x
  2. Step 2: Convert to fraction form
    19,169.64/26,446.50 = 11,721.96/x
  3. Step 3: Cross multiply
    19,169.64x = 26,446.50 × 11,721.96
  4. Step 4: Simplify right side
    19,169.64x = 310,004,815.14
  5. Step 5: Solve for x
    x = 310,004,815.14/19,169.64
  6. Step 6: Final answer
    x = 16,171.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.