Home / 17,319.04-25,982.40-8,080

Finding the Fourth Proportional to 17,319.04, 25,982.40 and 8,080

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Solution

The fourth proportional to 17,319.04, 25,982.40 and 8,080 is: 12,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.04 : 25,982.40 = 8,080 : x
  2. Step 2: Convert to fraction form
    17,319.04/25,982.40 = 8,080/x
  3. Step 3: Cross multiply
    17,319.04x = 25,982.40 × 8,080
  4. Step 4: Simplify right side
    17,319.04x = 209,937,792
  5. Step 5: Solve for x
    x = 209,937,792/17,319.04
  6. Step 6: Final answer
    x = 12,121.79

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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.