Home / 30,117.36-45,183.21-10,396.09

Finding the Fourth Proportional to 30,117.36, 45,183.21 and 10,396.09

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Solution

The fourth proportional to 30,117.36, 45,183.21 and 10,396.09 is: 15,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.36 : 45,183.21 = 10,396.09 : x
  2. Step 2: Convert to fraction form
    30,117.36/45,183.21 = 10,396.09/x
  3. Step 3: Cross multiply
    30,117.36x = 45,183.21 × 10,396.09
  4. Step 4: Simplify right side
    30,117.36x = 469,728,717.65
  5. Step 5: Solve for x
    x = 469,728,717.65/30,117.36
  6. Step 6: Final answer
    x = 15,596.61

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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.