Home / 20,135.51-30,196.09-7,652.22

Finding the Fourth Proportional to 20,135.51, 30,196.09 and 7,652.22

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Solution

The fourth proportional to 20,135.51, 30,196.09 and 7,652.22 is: 11,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135.51 : 30,196.09 = 7,652.22 : x
  2. Step 2: Convert to fraction form
    20,135.51/30,196.09 = 7,652.22/x
  3. Step 3: Cross multiply
    20,135.51x = 30,196.09 × 7,652.22
  4. Step 4: Simplify right side
    20,135.51x = 231,067,190.00
  5. Step 5: Solve for x
    x = 231,067,190.00/20,135.51
  6. Step 6: Final answer
    x = 11,475.61

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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.