Home / 13,724.28-20,583.33-8,179.20

Finding the Fourth Proportional to 13,724.28, 20,583.33 and 8,179.20

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Solution

The fourth proportional to 13,724.28, 20,583.33 and 8,179.20 is: 12,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.28 : 20,583.33 = 8,179.20 : x
  2. Step 2: Convert to fraction form
    13,724.28/20,583.33 = 8,179.20/x
  3. Step 3: Cross multiply
    13,724.28x = 20,583.33 × 8,179.20
  4. Step 4: Simplify right side
    13,724.28x = 168,355,172.74
  5. Step 5: Solve for x
    x = 168,355,172.74/13,724.28
  6. Step 6: Final answer
    x = 12,266.96

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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.