Home / 13,529.28-20,293.96-3,668.60

Finding the Fourth Proportional to 13,529.28, 20,293.96 and 3,668.60

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Solution

The fourth proportional to 13,529.28, 20,293.96 and 3,668.60 is: 5,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.28 : 20,293.96 = 3,668.60 : x
  2. Step 2: Convert to fraction form
    13,529.28/20,293.96 = 3,668.60/x
  3. Step 3: Cross multiply
    13,529.28x = 20,293.96 × 3,668.60
  4. Step 4: Simplify right side
    13,529.28x = 74,450,421.66
  5. Step 5: Solve for x
    x = 74,450,421.66/13,529.28
  6. Step 6: Final answer
    x = 5,502.91

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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.