Home / 12,122.32-18,183.47-3,802.97

Finding the Fourth Proportional to 12,122.32, 18,183.47 and 3,802.97

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Solution

The fourth proportional to 12,122.32, 18,183.47 and 3,802.97 is: 5,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.32 : 18,183.47 = 3,802.97 : x
  2. Step 2: Convert to fraction form
    12,122.32/18,183.47 = 3,802.97/x
  3. Step 3: Cross multiply
    12,122.32x = 18,183.47 × 3,802.97
  4. Step 4: Simplify right side
    12,122.32x = 69,151,190.91
  5. Step 5: Solve for x
    x = 69,151,190.91/12,122.32
  6. Step 6: Final answer
    x = 5,704.45

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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.