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Finding the Fourth Proportional to 18,598.62, 27,902.03 and 6,118.14

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Solution

The fourth proportional to 18,598.62, 27,902.03 and 6,118.14 is: 9,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.62 : 27,902.03 = 6,118.14 : x
  2. Step 2: Convert to fraction form
    18,598.62/27,902.03 = 6,118.14/x
  3. Step 3: Cross multiply
    18,598.62x = 27,902.03 × 6,118.14
  4. Step 4: Simplify right side
    18,598.62x = 170,708,525.82
  5. Step 5: Solve for x
    x = 170,708,525.82/18,598.62
  6. Step 6: Final answer
    x = 9,178.56

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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.