Home / 13,668.11-20,500.64-3,673.71

Finding the Fourth Proportional to 13,668.11, 20,500.64 and 3,673.71

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Solution

The fourth proportional to 13,668.11, 20,500.64 and 3,673.71 is: 5,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.11 : 20,500.64 = 3,673.71 : x
  2. Step 2: Convert to fraction form
    13,668.11/20,500.64 = 3,673.71/x
  3. Step 3: Cross multiply
    13,668.11x = 20,500.64 × 3,673.71
  4. Step 4: Simplify right side
    13,668.11x = 75,313,406.17
  5. Step 5: Solve for x
    x = 75,313,406.17/13,668.11
  6. Step 6: Final answer
    x = 5,510.16

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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.