Home / 19,697.25-29,529.30-9,161.92

Finding the Fourth Proportional to 19,697.25, 29,529.30 and 9,161.92

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Solution

The fourth proportional to 19,697.25, 29,529.30 and 9,161.92 is: 13,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.25 : 29,529.30 = 9,161.92 : x
  2. Step 2: Convert to fraction form
    19,697.25/29,529.30 = 9,161.92/x
  3. Step 3: Cross multiply
    19,697.25x = 29,529.30 × 9,161.92
  4. Step 4: Simplify right side
    19,697.25x = 270,545,033.34
  5. Step 5: Solve for x
    x = 270,545,033.34/19,697.25
  6. Step 6: Final answer
    x = 13,735.17

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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.