Home / 11,860.20-17,777.94-4,459.56

Finding the Fourth Proportional to 11,860.20, 17,777.94 and 4,459.56

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Solution

The fourth proportional to 11,860.20, 17,777.94 and 4,459.56 is: 6,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.20 : 17,777.94 = 4,459.56 : x
  2. Step 2: Convert to fraction form
    11,860.20/17,777.94 = 4,459.56/x
  3. Step 3: Cross multiply
    11,860.20x = 17,777.94 × 4,459.56
  4. Step 4: Simplify right side
    11,860.20x = 79,281,790.11
  5. Step 5: Solve for x
    x = 79,281,790.11/11,860.20
  6. Step 6: Final answer
    x = 6,684.69

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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.