Home / 11,180.64-16,770.32-4,160.64

Finding the Fourth Proportional to 11,180.64, 16,770.32 and 4,160.64

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Solution

The fourth proportional to 11,180.64, 16,770.32 and 4,160.64 is: 6,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.64 : 16,770.32 = 4,160.64 : x
  2. Step 2: Convert to fraction form
    11,180.64/16,770.32 = 4,160.64/x
  3. Step 3: Cross multiply
    11,180.64x = 16,770.32 × 4,160.64
  4. Step 4: Simplify right side
    11,180.64x = 69,775,264.20
  5. Step 5: Solve for x
    x = 69,775,264.20/11,180.64
  6. Step 6: Final answer
    x = 6,240.72

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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.