Home / 13,337.37-20,007.10-3,976.68

Finding the Fourth Proportional to 13,337.37, 20,007.10 and 3,976.68

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Solution

The fourth proportional to 13,337.37, 20,007.10 and 3,976.68 is: 5,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.37 : 20,007.10 = 3,976.68 : x
  2. Step 2: Convert to fraction form
    13,337.37/20,007.10 = 3,976.68/x
  3. Step 3: Cross multiply
    13,337.37x = 20,007.10 × 3,976.68
  4. Step 4: Simplify right side
    13,337.37x = 79,561,834.43
  5. Step 5: Solve for x
    x = 79,561,834.43/13,337.37
  6. Step 6: Final answer
    x = 5,965.33

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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.