Home / 15,183.42-22,777.81-5,185.83

Finding the Fourth Proportional to 15,183.42, 22,777.81 and 5,185.83

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Solution

The fourth proportional to 15,183.42, 22,777.81 and 5,185.83 is: 7,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.42 : 22,777.81 = 5,185.83 : x
  2. Step 2: Convert to fraction form
    15,183.42/22,777.81 = 5,185.83/x
  3. Step 3: Cross multiply
    15,183.42x = 22,777.81 × 5,185.83
  4. Step 4: Simplify right side
    15,183.42x = 118,121,850.43
  5. Step 5: Solve for x
    x = 118,121,850.43/15,183.42
  6. Step 6: Final answer
    x = 7,779.66

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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.