Home / 9,288.19-13,919.68-5,121.96

Finding the Fourth Proportional to 9,288.19, 13,919.68 and 5,121.96

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Solution

The fourth proportional to 9,288.19, 13,919.68 and 5,121.96 is: 7,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.19 : 13,919.68 = 5,121.96 : x
  2. Step 2: Convert to fraction form
    9,288.19/13,919.68 = 5,121.96/x
  3. Step 3: Cross multiply
    9,288.19x = 13,919.68 × 5,121.96
  4. Step 4: Simplify right side
    9,288.19x = 71,296,044.17
  5. Step 5: Solve for x
    x = 71,296,044.17/9,288.19
  6. Step 6: Final answer
    x = 7,675.99

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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.