Home / 18,155.43-27,177.84-14,612.49

Finding the Fourth Proportional to 18,155.43, 27,177.84 and 14,612.49

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Solution

The fourth proportional to 18,155.43, 27,177.84 and 14,612.49 is: 21,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.43 : 27,177.84 = 14,612.49 : x
  2. Step 2: Convert to fraction form
    18,155.43/27,177.84 = 14,612.49/x
  3. Step 3: Cross multiply
    18,155.43x = 27,177.84 × 14,612.49
  4. Step 4: Simplify right side
    18,155.43x = 397,135,915.22
  5. Step 5: Solve for x
    x = 397,135,915.22/18,155.43
  6. Step 6: Final answer
    x = 21,874.22

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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.