Home / 13,753.26-18,982.62-8,724.42

Finding the Fourth Proportional to 13,753.26, 18,982.62 and 8,724.42

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Solution

The fourth proportional to 13,753.26, 18,982.62 and 8,724.42 is: 12,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.26 : 18,982.62 = 8,724.42 : x
  2. Step 2: Convert to fraction form
    13,753.26/18,982.62 = 8,724.42/x
  3. Step 3: Cross multiply
    13,753.26x = 18,982.62 × 8,724.42
  4. Step 4: Simplify right side
    13,753.26x = 165,612,349.58
  5. Step 5: Solve for x
    x = 165,612,349.58/13,753.26
  6. Step 6: Final answer
    x = 12,041.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.