Home / 18,199.47-27,299.21-5,051.85

Finding the Fourth Proportional to 18,199.47, 27,299.21 and 5,051.85

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Solution

The fourth proportional to 18,199.47, 27,299.21 and 5,051.85 is: 7,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.47 : 27,299.21 = 5,051.85 : x
  2. Step 2: Convert to fraction form
    18,199.47/27,299.21 = 5,051.85/x
  3. Step 3: Cross multiply
    18,199.47x = 27,299.21 × 5,051.85
  4. Step 4: Simplify right side
    18,199.47x = 137,911,514.04
  5. Step 5: Solve for x
    x = 137,911,514.04/18,199.47
  6. Step 6: Final answer
    x = 7,577.78

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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.