Home / 16,769.39-25,120.87-11,491.43

Finding the Fourth Proportional to 16,769.39, 25,120.87 and 11,491.43

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Solution

The fourth proportional to 16,769.39, 25,120.87 and 11,491.43 is: 17,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.39 : 25,120.87 = 11,491.43 : x
  2. Step 2: Convert to fraction form
    16,769.39/25,120.87 = 11,491.43/x
  3. Step 3: Cross multiply
    16,769.39x = 25,120.87 × 11,491.43
  4. Step 4: Simplify right side
    16,769.39x = 288,674,564.81
  5. Step 5: Solve for x
    x = 288,674,564.81/16,769.39
  6. Step 6: Final answer
    x = 17,214.38

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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.