Home / 13,528.22-20,292.39-3,668.49

Finding the Fourth Proportional to 13,528.22, 20,292.39 and 3,668.49

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Solution

The fourth proportional to 13,528.22, 20,292.39 and 3,668.49 is: 5,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.22 : 20,292.39 = 3,668.49 : x
  2. Step 2: Convert to fraction form
    13,528.22/20,292.39 = 3,668.49/x
  3. Step 3: Cross multiply
    13,528.22x = 20,292.39 × 3,668.49
  4. Step 4: Simplify right side
    13,528.22x = 74,442,429.79
  5. Step 5: Solve for x
    x = 74,442,429.79/13,528.22
  6. Step 6: Final answer
    x = 5,502.75

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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.