Home / 11,179.41-16,777.17-4,160.40

Finding the Fourth Proportional to 11,179.41, 16,777.17 and 4,160.40

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Solution

The fourth proportional to 11,179.41, 16,777.17 and 4,160.40 is: 6,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.41 : 16,777.17 = 4,160.40 : x
  2. Step 2: Convert to fraction form
    11,179.41/16,777.17 = 4,160.40/x
  3. Step 3: Cross multiply
    11,179.41x = 16,777.17 × 4,160.40
  4. Step 4: Simplify right side
    11,179.41x = 69,799,738.07
  5. Step 5: Solve for x
    x = 69,799,738.07/11,179.41
  6. Step 6: Final answer
    x = 6,243.60

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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.