Home / 18,408.91-27,617.44-6,722.13

Finding the Fourth Proportional to 18,408.91, 27,617.44 and 6,722.13

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Solution

The fourth proportional to 18,408.91, 27,617.44 and 6,722.13 is: 10,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.91 : 27,617.44 = 6,722.13 : x
  2. Step 2: Convert to fraction form
    18,408.91/27,617.44 = 6,722.13/x
  3. Step 3: Cross multiply
    18,408.91x = 27,617.44 × 6,722.13
  4. Step 4: Simplify right side
    18,408.91x = 185,648,021.95
  5. Step 5: Solve for x
    x = 185,648,021.95/18,408.91
  6. Step 6: Final answer
    x = 10,084.68

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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.