Home / 17,007.05-25,506.93-5,318.75

Finding the Fourth Proportional to 17,007.05, 25,506.93 and 5,318.75

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Solution

The fourth proportional to 17,007.05, 25,506.93 and 5,318.75 is: 7,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.05 : 25,506.93 = 5,318.75 : x
  2. Step 2: Convert to fraction form
    17,007.05/25,506.93 = 5,318.75/x
  3. Step 3: Cross multiply
    17,007.05x = 25,506.93 × 5,318.75
  4. Step 4: Simplify right side
    17,007.05x = 135,664,983.94
  5. Step 5: Solve for x
    x = 135,664,983.94/17,007.05
  6. Step 6: Final answer
    x = 7,976.99

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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.