Home / 11,682.06-17,520.50-3,360.22

Finding the Fourth Proportional to 11,682.06, 17,520.50 and 3,360.22

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Solution

The fourth proportional to 11,682.06, 17,520.50 and 3,360.22 is: 5,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.06 : 17,520.50 = 3,360.22 : x
  2. Step 2: Convert to fraction form
    11,682.06/17,520.50 = 3,360.22/x
  3. Step 3: Cross multiply
    11,682.06x = 17,520.50 × 3,360.22
  4. Step 4: Simplify right side
    11,682.06x = 58,872,699.11
  5. Step 5: Solve for x
    x = 58,872,699.11/11,682.06
  6. Step 6: Final answer
    x = 5,039.58

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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.