Home / 17,622.78-26,382.30-11,764.86

Finding the Fourth Proportional to 17,622.78, 26,382.30 and 11,764.86

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Solution

The fourth proportional to 17,622.78, 26,382.30 and 11,764.86 is: 17,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.78 : 26,382.30 = 11,764.86 : x
  2. Step 2: Convert to fraction form
    17,622.78/26,382.30 = 11,764.86/x
  3. Step 3: Cross multiply
    17,622.78x = 26,382.30 × 11,764.86
  4. Step 4: Simplify right side
    17,622.78x = 310,384,065.98
  5. Step 5: Solve for x
    x = 310,384,065.98/17,622.78
  6. Step 6: Final answer
    x = 17,612.66

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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.