Home / 13,522.53-20,283.84-4,162.49

Finding the Fourth Proportional to 13,522.53, 20,283.84 and 4,162.49

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Solution

The fourth proportional to 13,522.53, 20,283.84 and 4,162.49 is: 6,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.53 : 20,283.84 = 4,162.49 : x
  2. Step 2: Convert to fraction form
    13,522.53/20,283.84 = 4,162.49/x
  3. Step 3: Cross multiply
    13,522.53x = 20,283.84 × 4,162.49
  4. Step 4: Simplify right side
    13,522.53x = 84,431,179.74
  5. Step 5: Solve for x
    x = 84,431,179.74/13,522.53
  6. Step 6: Final answer
    x = 6,243.74

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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.