Home / 17,744.36-26,622.72-7,890.56

Finding the Fourth Proportional to 17,744.36, 26,622.72 and 7,890.56

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Solution

The fourth proportional to 17,744.36, 26,622.72 and 7,890.56 is: 11,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,744.36 : 26,622.72 = 7,890.56 : x
  2. Step 2: Convert to fraction form
    17,744.36/26,622.72 = 7,890.56/x
  3. Step 3: Cross multiply
    17,744.36x = 26,622.72 × 7,890.56
  4. Step 4: Simplify right side
    17,744.36x = 210,068,169.52
  5. Step 5: Solve for x
    x = 210,068,169.52/17,744.36
  6. Step 6: Final answer
    x = 11,838.59

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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.