Home / 18,212.41-27,321.50-6,369.47

Finding the Fourth Proportional to 18,212.41, 27,321.50 and 6,369.47

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Solution

The fourth proportional to 18,212.41, 27,321.50 and 6,369.47 is: 9,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.41 : 27,321.50 = 6,369.47 : x
  2. Step 2: Convert to fraction form
    18,212.41/27,321.50 = 6,369.47/x
  3. Step 3: Cross multiply
    18,212.41x = 27,321.50 × 6,369.47
  4. Step 4: Simplify right side
    18,212.41x = 174,023,474.61
  5. Step 5: Solve for x
    x = 174,023,474.61/18,212.41
  6. Step 6: Final answer
    x = 9,555.21

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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.