Home / 18,631.35-27,941.09-6,149.05

Finding the Fourth Proportional to 18,631.35, 27,941.09 and 6,149.05

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Solution

The fourth proportional to 18,631.35, 27,941.09 and 6,149.05 is: 9,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.35 : 27,941.09 = 6,149.05 : x
  2. Step 2: Convert to fraction form
    18,631.35/27,941.09 = 6,149.05/x
  3. Step 3: Cross multiply
    18,631.35x = 27,941.09 × 6,149.05
  4. Step 4: Simplify right side
    18,631.35x = 171,811,019.76
  5. Step 5: Solve for x
    x = 171,811,019.76/18,631.35
  6. Step 6: Final answer
    x = 9,221.61

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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.