Home / 20,608.15-30,912.17-13,537.02

Finding the Fourth Proportional to 20,608.15, 30,912.17 and 13,537.02

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Solution

The fourth proportional to 20,608.15, 30,912.17 and 13,537.02 is: 20,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.15 : 30,912.17 = 13,537.02 : x
  2. Step 2: Convert to fraction form
    20,608.15/30,912.17 = 13,537.02/x
  3. Step 3: Cross multiply
    20,608.15x = 30,912.17 × 13,537.02
  4. Step 4: Simplify right side
    20,608.15x = 418,458,633.35
  5. Step 5: Solve for x
    x = 418,458,633.35/20,608.15
  6. Step 6: Final answer
    x = 20,305.50

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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.