Home / 18,514.38-27,765.81-6,199.50

Finding the Fourth Proportional to 18,514.38, 27,765.81 and 6,199.50

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Solution

The fourth proportional to 18,514.38, 27,765.81 and 6,199.50 is: 9,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.38 : 27,765.81 = 6,199.50 : x
  2. Step 2: Convert to fraction form
    18,514.38/27,765.81 = 6,199.50/x
  3. Step 3: Cross multiply
    18,514.38x = 27,765.81 × 6,199.50
  4. Step 4: Simplify right side
    18,514.38x = 172,134,139.10
  5. Step 5: Solve for x
    x = 172,134,139.10/18,514.38
  6. Step 6: Final answer
    x = 9,297.32

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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.