Home / 11,439.58-17,163.06-3,648.46

Finding the Fourth Proportional to 11,439.58, 17,163.06 and 3,648.46

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Solution

The fourth proportional to 11,439.58, 17,163.06 and 3,648.46 is: 5,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.58 : 17,163.06 = 3,648.46 : x
  2. Step 2: Convert to fraction form
    11,439.58/17,163.06 = 3,648.46/x
  3. Step 3: Cross multiply
    11,439.58x = 17,163.06 × 3,648.46
  4. Step 4: Simplify right side
    11,439.58x = 62,618,737.89
  5. Step 5: Solve for x
    x = 62,618,737.89/11,439.58
  6. Step 6: Final answer
    x = 5,473.87

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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.