Home / 13,518.20-20,261.46-6,114.04

Finding the Fourth Proportional to 13,518.20, 20,261.46 and 6,114.04

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Solution

The fourth proportional to 13,518.20, 20,261.46 and 6,114.04 is: 9,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.20 : 20,261.46 = 6,114.04 : x
  2. Step 2: Convert to fraction form
    13,518.20/20,261.46 = 6,114.04/x
  3. Step 3: Cross multiply
    13,518.20x = 20,261.46 × 6,114.04
  4. Step 4: Simplify right side
    13,518.20x = 123,879,376.90
  5. Step 5: Solve for x
    x = 123,879,376.90/13,518.20
  6. Step 6: Final answer
    x = 9,163.90

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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.