Home / 11,153.57-16,730.28-3,362.38

Finding the Fourth Proportional to 11,153.57, 16,730.28 and 3,362.38

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Solution

The fourth proportional to 11,153.57, 16,730.28 and 3,362.38 is: 5,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.57 : 16,730.28 = 3,362.38 : x
  2. Step 2: Convert to fraction form
    11,153.57/16,730.28 = 3,362.38/x
  3. Step 3: Cross multiply
    11,153.57x = 16,730.28 × 3,362.38
  4. Step 4: Simplify right side
    11,153.57x = 56,253,517.04
  5. Step 5: Solve for x
    x = 56,253,517.04/11,153.57
  6. Step 6: Final answer
    x = 5,043.55

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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.