Home / 11,007.72-16,507.44-4,431.66

Finding the Fourth Proportional to 11,007.72, 16,507.44 and 4,431.66

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Solution

The fourth proportional to 11,007.72, 16,507.44 and 4,431.66 is: 6,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.72 : 16,507.44 = 4,431.66 : x
  2. Step 2: Convert to fraction form
    11,007.72/16,507.44 = 4,431.66/x
  3. Step 3: Cross multiply
    11,007.72x = 16,507.44 × 4,431.66
  4. Step 4: Simplify right side
    11,007.72x = 73,155,361.55
  5. Step 5: Solve for x
    x = 73,155,361.55/11,007.72
  6. Step 6: Final answer
    x = 6,645.82

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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.