Home / 13,428.24-20,140.26-3,567.97

Finding the Fourth Proportional to 13,428.24, 20,140.26 and 3,567.97

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Solution

The fourth proportional to 13,428.24, 20,140.26 and 3,567.97 is: 5,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.24 : 20,140.26 = 3,567.97 : x
  2. Step 2: Convert to fraction form
    13,428.24/20,140.26 = 3,567.97/x
  3. Step 3: Cross multiply
    13,428.24x = 20,140.26 × 3,567.97
  4. Step 4: Simplify right side
    13,428.24x = 71,859,843.47
  5. Step 5: Solve for x
    x = 71,859,843.47/13,428.24
  6. Step 6: Final answer
    x = 5,351.40

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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.