Home / 13,447.35-20,172.51-3,586.68

Finding the Fourth Proportional to 13,447.35, 20,172.51 and 3,586.68

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Solution

The fourth proportional to 13,447.35, 20,172.51 and 3,586.68 is: 5,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.35 : 20,172.51 = 3,586.68 : x
  2. Step 2: Convert to fraction form
    13,447.35/20,172.51 = 3,586.68/x
  3. Step 3: Cross multiply
    13,447.35x = 20,172.51 × 3,586.68
  4. Step 4: Simplify right side
    13,447.35x = 72,352,338.17
  5. Step 5: Solve for x
    x = 72,352,338.17/13,447.35
  6. Step 6: Final answer
    x = 5,380.42

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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.