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Finding the Fourth Proportional to 18,080.93, 27,117.01 and 6,980.54

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Solution

The fourth proportional to 18,080.93, 27,117.01 and 6,980.54 is: 10,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.93 : 27,117.01 = 6,980.54 : x
  2. Step 2: Convert to fraction form
    18,080.93/27,117.01 = 6,980.54/x
  3. Step 3: Cross multiply
    18,080.93x = 27,117.01 × 6,980.54
  4. Step 4: Simplify right side
    18,080.93x = 189,291,372.99
  5. Step 5: Solve for x
    x = 189,291,372.99/18,080.93
  6. Step 6: Final answer
    x = 10,469.12

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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.