Home / 20,190.30-30,268.89-9,093.66

Finding the Fourth Proportional to 20,190.30, 30,268.89 and 9,093.66

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Solution

The fourth proportional to 20,190.30, 30,268.89 and 9,093.66 is: 13,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.30 : 30,268.89 = 9,093.66 : x
  2. Step 2: Convert to fraction form
    20,190.30/30,268.89 = 9,093.66/x
  3. Step 3: Cross multiply
    20,190.30x = 30,268.89 × 9,093.66
  4. Step 4: Simplify right side
    20,190.30x = 275,254,994.24
  5. Step 5: Solve for x
    x = 275,254,994.24/20,190.30
  6. Step 6: Final answer
    x = 13,633.03

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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.