Home / 18,170.49-27,249.24-5,686.77

Finding the Fourth Proportional to 18,170.49, 27,249.24 and 5,686.77

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Solution

The fourth proportional to 18,170.49, 27,249.24 and 5,686.77 is: 8,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.49 : 27,249.24 = 5,686.77 : x
  2. Step 2: Convert to fraction form
    18,170.49/27,249.24 = 5,686.77/x
  3. Step 3: Cross multiply
    18,170.49x = 27,249.24 × 5,686.77
  4. Step 4: Simplify right side
    18,170.49x = 154,960,160.55
  5. Step 5: Solve for x
    x = 154,960,160.55/18,170.49
  6. Step 6: Final answer
    x = 8,528.12

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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.