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Finding the Fourth Proportional to 18,609.14, 27,914.02 and 6,130.49

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Solution

The fourth proportional to 18,609.14, 27,914.02 and 6,130.49 is: 9,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.14 : 27,914.02 = 6,130.49 : x
  2. Step 2: Convert to fraction form
    18,609.14/27,914.02 = 6,130.49/x
  3. Step 3: Cross multiply
    18,609.14x = 27,914.02 × 6,130.49
  4. Step 4: Simplify right side
    18,609.14x = 171,126,465.57
  5. Step 5: Solve for x
    x = 171,126,465.57/18,609.14
  6. Step 6: Final answer
    x = 9,195.83

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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.