Home / 18,142.17-27,216.32-5,661.91

Finding the Fourth Proportional to 18,142.17, 27,216.32 and 5,661.91

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Solution

The fourth proportional to 18,142.17, 27,216.32 and 5,661.91 is: 8,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.17 : 27,216.32 = 5,661.91 : x
  2. Step 2: Convert to fraction form
    18,142.17/27,216.32 = 5,661.91/x
  3. Step 3: Cross multiply
    18,142.17x = 27,216.32 × 5,661.91
  4. Step 4: Simplify right side
    18,142.17x = 154,096,354.37
  5. Step 5: Solve for x
    x = 154,096,354.37/18,142.17
  6. Step 6: Final answer
    x = 8,493.82

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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.