Home / 13,529.91-20,296.77-4,170.68

Finding the Fourth Proportional to 13,529.91, 20,296.77 and 4,170.68

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Solution

The fourth proportional to 13,529.91, 20,296.77 and 4,170.68 is: 6,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.91 : 20,296.77 = 4,170.68 : x
  2. Step 2: Convert to fraction form
    13,529.91/20,296.77 = 4,170.68/x
  3. Step 3: Cross multiply
    13,529.91x = 20,296.77 × 4,170.68
  4. Step 4: Simplify right side
    13,529.91x = 84,651,383.45
  5. Step 5: Solve for x
    x = 84,651,383.45/13,529.91
  6. Step 6: Final answer
    x = 6,256.61

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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.