Home / 13,195.48-19,772.28-4,864

Finding the Fourth Proportional to 13,195.48, 19,772.28 and 4,864

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Solution

The fourth proportional to 13,195.48, 19,772.28 and 4,864 is: 7,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.48 : 19,772.28 = 4,864 : x
  2. Step 2: Convert to fraction form
    13,195.48/19,772.28 = 4,864/x
  3. Step 3: Cross multiply
    13,195.48x = 19,772.28 × 4,864
  4. Step 4: Simplify right side
    13,195.48x = 96,172,369.92
  5. Step 5: Solve for x
    x = 96,172,369.92/13,195.48
  6. Step 6: Final answer
    x = 7,288.28

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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.