Home / 17,116.80-25,670.88-6,728.64

Finding the Fourth Proportional to 17,116.80, 25,670.88 and 6,728.64

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Solution

The fourth proportional to 17,116.80, 25,670.88 and 6,728.64 is: 10,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.80 : 25,670.88 = 6,728.64 : x
  2. Step 2: Convert to fraction form
    17,116.80/25,670.88 = 6,728.64/x
  3. Step 3: Cross multiply
    17,116.80x = 25,670.88 × 6,728.64
  4. Step 4: Simplify right side
    17,116.80x = 172,730,110.00
  5. Step 5: Solve for x
    x = 172,730,110.00/17,116.80
  6. Step 6: Final answer
    x = 10,091.26

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1.5x scale

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.