Home / 11,580.21-17,370.32-8,132.85

Finding the Fourth Proportional to 11,580.21, 17,370.32 and 8,132.85

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Solution

The fourth proportional to 11,580.21, 17,370.32 and 8,132.85 is: 12,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.21 : 17,370.32 = 8,132.85 : x
  2. Step 2: Convert to fraction form
    11,580.21/17,370.32 = 8,132.85/x
  3. Step 3: Cross multiply
    11,580.21x = 17,370.32 × 8,132.85
  4. Step 4: Simplify right side
    11,580.21x = 141,270,166.35
  5. Step 5: Solve for x
    x = 141,270,166.35/11,580.21
  6. Step 6: Final answer
    x = 12,199.28

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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.