Home / 11,664.42-17,480.19-8,370.24

Finding the Fourth Proportional to 11,664.42, 17,480.19 and 8,370.24

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Solution

The fourth proportional to 11,664.42, 17,480.19 and 8,370.24 is: 12,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.42 : 17,480.19 = 8,370.24 : x
  2. Step 2: Convert to fraction form
    11,664.42/17,480.19 = 8,370.24/x
  3. Step 3: Cross multiply
    11,664.42x = 17,480.19 × 8,370.24
  4. Step 4: Simplify right side
    11,664.42x = 146,313,385.55
  5. Step 5: Solve for x
    x = 146,313,385.55/11,664.42
  6. Step 6: Final answer
    x = 12,543.56

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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.