Home / 18,454.91-27,686.01-6,768.23

Finding the Fourth Proportional to 18,454.91, 27,686.01 and 6,768.23

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Solution

The fourth proportional to 18,454.91, 27,686.01 and 6,768.23 is: 10,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.91 : 27,686.01 = 6,768.23 : x
  2. Step 2: Convert to fraction form
    18,454.91/27,686.01 = 6,768.23/x
  3. Step 3: Cross multiply
    18,454.91x = 27,686.01 × 6,768.23
  4. Step 4: Simplify right side
    18,454.91x = 187,385,171.56
  5. Step 5: Solve for x
    x = 187,385,171.56/18,454.91
  6. Step 6: Final answer
    x = 10,153.68

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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.