Home / 18,669.42-27,998.33-6,186.65

Finding the Fourth Proportional to 18,669.42, 27,998.33 and 6,186.65

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Solution

The fourth proportional to 18,669.42, 27,998.33 and 6,186.65 is: 9,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.42 : 27,998.33 = 6,186.65 : x
  2. Step 2: Convert to fraction form
    18,669.42/27,998.33 = 6,186.65/x
  3. Step 3: Cross multiply
    18,669.42x = 27,998.33 × 6,186.65
  4. Step 4: Simplify right side
    18,669.42x = 173,215,697.37
  5. Step 5: Solve for x
    x = 173,215,697.37/18,669.42
  6. Step 6: Final answer
    x = 9,278.04

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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.