Home / 13,489.12-20,233.53-6,091.59

Finding the Fourth Proportional to 13,489.12, 20,233.53 and 6,091.59

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Solution

The fourth proportional to 13,489.12, 20,233.53 and 6,091.59 is: 9,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.12 : 20,233.53 = 6,091.59 : x
  2. Step 2: Convert to fraction form
    13,489.12/20,233.53 = 6,091.59/x
  3. Step 3: Cross multiply
    13,489.12x = 20,233.53 × 6,091.59
  4. Step 4: Simplify right side
    13,489.12x = 123,254,369.01
  5. Step 5: Solve for x
    x = 123,254,369.01/13,489.12
  6. Step 6: Final answer
    x = 9,137.32

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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.