Home / 11,845.21-16,352.28-7,370.41

Finding the Fourth Proportional to 11,845.21, 16,352.28 and 7,370.41

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Solution

The fourth proportional to 11,845.21, 16,352.28 and 7,370.41 is: 10,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.21 : 16,352.28 = 7,370.41 : x
  2. Step 2: Convert to fraction form
    11,845.21/16,352.28 = 7,370.41/x
  3. Step 3: Cross multiply
    11,845.21x = 16,352.28 × 7,370.41
  4. Step 4: Simplify right side
    11,845.21x = 120,523,008.03
  5. Step 5: Solve for x
    x = 120,523,008.03/11,845.21
  6. Step 6: Final answer
    x = 10,174.83

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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.