Home / 17,085.94-25,640.30-6,564.65

Finding the Fourth Proportional to 17,085.94, 25,640.30 and 6,564.65

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Solution

The fourth proportional to 17,085.94, 25,640.30 and 6,564.65 is: 9,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.94 : 25,640.30 = 6,564.65 : x
  2. Step 2: Convert to fraction form
    17,085.94/25,640.30 = 6,564.65/x
  3. Step 3: Cross multiply
    17,085.94x = 25,640.30 × 6,564.65
  4. Step 4: Simplify right side
    17,085.94x = 168,319,446.68
  5. Step 5: Solve for x
    x = 168,319,446.68/17,085.94
  6. Step 6: Final answer
    x = 9,851.34

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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.