Home / 11,688.04-17,532.21-3,896.85

Finding the Fourth Proportional to 11,688.04, 17,532.21 and 3,896.85

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Solution

The fourth proportional to 11,688.04, 17,532.21 and 3,896.85 is: 5,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.04 : 17,532.21 = 3,896.85 : x
  2. Step 2: Convert to fraction form
    11,688.04/17,532.21 = 3,896.85/x
  3. Step 3: Cross multiply
    11,688.04x = 17,532.21 × 3,896.85
  4. Step 4: Simplify right side
    11,688.04x = 68,320,373.05
  5. Step 5: Solve for x
    x = 68,320,373.05/11,688.04
  6. Step 6: Final answer
    x = 5,845.33

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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.