Home / 13,694.51-20,550.26-8,767.68

Finding the Fourth Proportional to 13,694.51, 20,550.26 and 8,767.68

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Solution

The fourth proportional to 13,694.51, 20,550.26 and 8,767.68 is: 13,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.51 : 20,550.26 = 8,767.68 : x
  2. Step 2: Convert to fraction form
    13,694.51/20,550.26 = 8,767.68/x
  3. Step 3: Cross multiply
    13,694.51x = 20,550.26 × 8,767.68
  4. Step 4: Simplify right side
    13,694.51x = 180,178,059.76
  5. Step 5: Solve for x
    x = 180,178,059.76/13,694.51
  6. Step 6: Final answer
    x = 13,156.96

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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.