Home / 11,475.43-17,213.15-3,689.71

Finding the Fourth Proportional to 11,475.43, 17,213.15 and 3,689.71

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Solution

The fourth proportional to 11,475.43, 17,213.15 and 3,689.71 is: 5,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.43 : 17,213.15 = 3,689.71 : x
  2. Step 2: Convert to fraction form
    11,475.43/17,213.15 = 3,689.71/x
  3. Step 3: Cross multiply
    11,475.43x = 17,213.15 × 3,689.71
  4. Step 4: Simplify right side
    11,475.43x = 63,511,513.24
  5. Step 5: Solve for x
    x = 63,511,513.24/11,475.43
  6. Step 6: Final answer
    x = 5,534.57

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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.