Home / 13,288.92-19,919.69-5,896.86

Finding the Fourth Proportional to 13,288.92, 19,919.69 and 5,896.86

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Solution

The fourth proportional to 13,288.92, 19,919.69 and 5,896.86 is: 8,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.92 : 19,919.69 = 5,896.86 : x
  2. Step 2: Convert to fraction form
    13,288.92/19,919.69 = 5,896.86/x
  3. Step 3: Cross multiply
    13,288.92x = 19,919.69 × 5,896.86
  4. Step 4: Simplify right side
    13,288.92x = 117,463,623.17
  5. Step 5: Solve for x
    x = 117,463,623.17/13,288.92
  6. Step 6: Final answer
    x = 8,839.22

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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.