Home / 18,080.82-27,120.42-6,394.14

Finding the Fourth Proportional to 18,080.82, 27,120.42 and 6,394.14

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Solution

The fourth proportional to 18,080.82, 27,120.42 and 6,394.14 is: 9,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.82 : 27,120.42 = 6,394.14 : x
  2. Step 2: Convert to fraction form
    18,080.82/27,120.42 = 6,394.14/x
  3. Step 3: Cross multiply
    18,080.82x = 27,120.42 × 6,394.14
  4. Step 4: Simplify right side
    18,080.82x = 173,411,762.34
  5. Step 5: Solve for x
    x = 173,411,762.34/18,080.82
  6. Step 6: Final answer
    x = 9,590.92

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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.