Home / 17,678.56-26,530.49-6,433.89

Finding the Fourth Proportional to 17,678.56, 26,530.49 and 6,433.89

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Solution

The fourth proportional to 17,678.56, 26,530.49 and 6,433.89 is: 9,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.56 : 26,530.49 = 6,433.89 : x
  2. Step 2: Convert to fraction form
    17,678.56/26,530.49 = 6,433.89/x
  3. Step 3: Cross multiply
    17,678.56x = 26,530.49 × 6,433.89
  4. Step 4: Simplify right side
    17,678.56x = 170,694,121.65
  5. Step 5: Solve for x
    x = 170,694,121.65/17,678.56
  6. Step 6: Final answer
    x = 9,655.43

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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.