Home / 14,745.81-20,349.62-8,372.27

Finding the Fourth Proportional to 14,745.81, 20,349.62 and 8,372.27

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Solution

The fourth proportional to 14,745.81, 20,349.62 and 8,372.27 is: 11,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.81 : 20,349.62 = 8,372.27 : x
  2. Step 2: Convert to fraction form
    14,745.81/20,349.62 = 8,372.27/x
  3. Step 3: Cross multiply
    14,745.81x = 20,349.62 × 8,372.27
  4. Step 4: Simplify right side
    14,745.81x = 170,372,369.43
  5. Step 5: Solve for x
    x = 170,372,369.43/14,745.81
  6. Step 6: Final answer
    x = 11,553.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.