Home / 11,126.45-16,689.84-3,629.97

Finding the Fourth Proportional to 11,126.45, 16,689.84 and 3,629.97

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Solution

The fourth proportional to 11,126.45, 16,689.84 and 3,629.97 is: 5,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.45 : 16,689.84 = 3,629.97 : x
  2. Step 2: Convert to fraction form
    11,126.45/16,689.84 = 3,629.97/x
  3. Step 3: Cross multiply
    11,126.45x = 16,689.84 × 3,629.97
  4. Step 4: Simplify right side
    11,126.45x = 60,583,662.04
  5. Step 5: Solve for x
    x = 60,583,662.04/11,126.45
  6. Step 6: Final answer
    x = 5,445.01

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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.