Home / 13,350.15-20,025.36-5,559.03

Finding the Fourth Proportional to 13,350.15, 20,025.36 and 5,559.03

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Solution

The fourth proportional to 13,350.15, 20,025.36 and 5,559.03 is: 8,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.15 : 20,025.36 = 5,559.03 : x
  2. Step 2: Convert to fraction form
    13,350.15/20,025.36 = 5,559.03/x
  3. Step 3: Cross multiply
    13,350.15x = 20,025.36 × 5,559.03
  4. Step 4: Simplify right side
    13,350.15x = 111,321,577.00
  5. Step 5: Solve for x
    x = 111,321,577.00/13,350.15
  6. Step 6: Final answer
    x = 8,338.60

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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.