Home / 22,541.64-33,786.40-12,131.52

Finding the Fourth Proportional to 22,541.64, 33,786.40 and 12,131.52

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Solution

The fourth proportional to 22,541.64, 33,786.40 and 12,131.52 is: 18,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.64 : 33,786.40 = 12,131.52 : x
  2. Step 2: Convert to fraction form
    22,541.64/33,786.40 = 12,131.52/x
  3. Step 3: Cross multiply
    22,541.64x = 33,786.40 × 12,131.52
  4. Step 4: Simplify right side
    22,541.64x = 409,880,387.33
  5. Step 5: Solve for x
    x = 409,880,387.33/22,541.64
  6. Step 6: Final answer
    x = 18,183.25

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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.