Home / 13,518.60-20,286.96-4,753.44

Finding the Fourth Proportional to 13,518.60, 20,286.96 and 4,753.44

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Solution

The fourth proportional to 13,518.60, 20,286.96 and 4,753.44 is: 7,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.60 : 20,286.96 = 4,753.44 : x
  2. Step 2: Convert to fraction form
    13,518.60/20,286.96 = 4,753.44/x
  3. Step 3: Cross multiply
    13,518.60x = 20,286.96 × 4,753.44
  4. Step 4: Simplify right side
    13,518.60x = 96,432,847.14
  5. Step 5: Solve for x
    x = 96,432,847.14/13,518.60
  6. Step 6: Final answer
    x = 7,133.35

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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.