Home / 13,428.08-20,141.88-3,567.04

Finding the Fourth Proportional to 13,428.08, 20,141.88 and 3,567.04

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Solution

The fourth proportional to 13,428.08, 20,141.88 and 3,567.04 is: 5,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.08 : 20,141.88 = 3,567.04 : x
  2. Step 2: Convert to fraction form
    13,428.08/20,141.88 = 3,567.04/x
  3. Step 3: Cross multiply
    13,428.08x = 20,141.88 × 3,567.04
  4. Step 4: Simplify right side
    13,428.08x = 71,846,891.64
  5. Step 5: Solve for x
    x = 71,846,891.64/13,428.08
  6. Step 6: Final answer
    x = 5,350.50

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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.