Home / 11,159.46-16,738.20-6,775.74

Finding the Fourth Proportional to 11,159.46, 16,738.20 and 6,775.74

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Solution

The fourth proportional to 11,159.46, 16,738.20 and 6,775.74 is: 10,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.46 : 16,738.20 = 6,775.74 : x
  2. Step 2: Convert to fraction form
    11,159.46/16,738.20 = 6,775.74/x
  3. Step 3: Cross multiply
    11,159.46x = 16,738.20 × 6,775.74
  4. Step 4: Simplify right side
    11,159.46x = 113,413,691.27
  5. Step 5: Solve for x
    x = 113,413,691.27/11,159.46
  6. Step 6: Final answer
    x = 10,163.01

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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.