Home / 11,126.18-16,689.46-3,729.26

Finding the Fourth Proportional to 11,126.18, 16,689.46 and 3,729.26

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Solution

The fourth proportional to 11,126.18, 16,689.46 and 3,729.26 is: 5,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.18 : 16,689.46 = 3,729.26 : x
  2. Step 2: Convert to fraction form
    11,126.18/16,689.46 = 3,729.26/x
  3. Step 3: Cross multiply
    11,126.18x = 16,689.46 × 3,729.26
  4. Step 4: Simplify right side
    11,126.18x = 62,239,335.60
  5. Step 5: Solve for x
    x = 62,239,335.60/11,126.18
  6. Step 6: Final answer
    x = 5,593.95

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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.