Home / 11,639.58-17,459.37-2,874.66

Finding the Fourth Proportional to 11,639.58, 17,459.37 and 2,874.66

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Solution

The fourth proportional to 11,639.58, 17,459.37 and 2,874.66 is: 4,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.58 : 17,459.37 = 2,874.66 : x
  2. Step 2: Convert to fraction form
    11,639.58/17,459.37 = 2,874.66/x
  3. Step 3: Cross multiply
    11,639.58x = 17,459.37 × 2,874.66
  4. Step 4: Simplify right side
    11,639.58x = 50,189,752.56
  5. Step 5: Solve for x
    x = 50,189,752.56/11,639.58
  6. Step 6: Final answer
    x = 4,311.99

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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.