Home / 11,084.20-16,622.70-3,687.40

Finding the Fourth Proportional to 11,084.20, 16,622.70 and 3,687.40

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Solution

The fourth proportional to 11,084.20, 16,622.70 and 3,687.40 is: 5,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.20 : 16,622.70 = 3,687.40 : x
  2. Step 2: Convert to fraction form
    11,084.20/16,622.70 = 3,687.40/x
  3. Step 3: Cross multiply
    11,084.20x = 16,622.70 × 3,687.40
  4. Step 4: Simplify right side
    11,084.20x = 61,294,543.98
  5. Step 5: Solve for x
    x = 61,294,543.98/11,084.20
  6. Step 6: Final answer
    x = 5,529.90

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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.