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Finding the Fourth Proportional to 18,080.08, 27,122.69 and 5,601.08

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Solution

The fourth proportional to 18,080.08, 27,122.69 and 5,601.08 is: 8,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.08 : 27,122.69 = 5,601.08 : x
  2. Step 2: Convert to fraction form
    18,080.08/27,122.69 = 5,601.08/x
  3. Step 3: Cross multiply
    18,080.08x = 27,122.69 × 5,601.08
  4. Step 4: Simplify right side
    18,080.08x = 151,916,438.31
  5. Step 5: Solve for x
    x = 151,916,438.31/18,080.08
  6. Step 6: Final answer
    x = 8,402.42

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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.