Home / 13,445.14-20,168.39-3,584.50

Finding the Fourth Proportional to 13,445.14, 20,168.39 and 3,584.50

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Solution

The fourth proportional to 13,445.14, 20,168.39 and 3,584.50 is: 5,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.14 : 20,168.39 = 3,584.50 : x
  2. Step 2: Convert to fraction form
    13,445.14/20,168.39 = 3,584.50/x
  3. Step 3: Cross multiply
    13,445.14x = 20,168.39 × 3,584.50
  4. Step 4: Simplify right side
    13,445.14x = 72,293,665.94
  5. Step 5: Solve for x
    x = 72,293,665.94/13,445.14
  6. Step 6: Final answer
    x = 5,376.94

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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.