Home / 11,453.91-17,175.43-4,437.21

Finding the Fourth Proportional to 11,453.91, 17,175.43 and 4,437.21

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Solution

The fourth proportional to 11,453.91, 17,175.43 and 4,437.21 is: 6,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.91 : 17,175.43 = 4,437.21 : x
  2. Step 2: Convert to fraction form
    11,453.91/17,175.43 = 4,437.21/x
  3. Step 3: Cross multiply
    11,453.91x = 17,175.43 × 4,437.21
  4. Step 4: Simplify right side
    11,453.91x = 76,210,989.75
  5. Step 5: Solve for x
    x = 76,210,989.75/11,453.91
  6. Step 6: Final answer
    x = 6,653.71

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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.