Home / 19,080.96-28,623.97-7,071.45

Finding the Fourth Proportional to 19,080.96, 28,623.97 and 7,071.45

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Solution

The fourth proportional to 19,080.96, 28,623.97 and 7,071.45 is: 10,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.96 : 28,623.97 = 7,071.45 : x
  2. Step 2: Convert to fraction form
    19,080.96/28,623.97 = 7,071.45/x
  3. Step 3: Cross multiply
    19,080.96x = 28,623.97 × 7,071.45
  4. Step 4: Simplify right side
    19,080.96x = 202,412,864.21
  5. Step 5: Solve for x
    x = 202,412,864.21/19,080.96
  6. Step 6: Final answer
    x = 10,608.11

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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.