Home / 13,489.26-20,236.29-4,129.10

Finding the Fourth Proportional to 13,489.26, 20,236.29 and 4,129.10

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Solution

The fourth proportional to 13,489.26, 20,236.29 and 4,129.10 is: 6,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.26 : 20,236.29 = 4,129.10 : x
  2. Step 2: Convert to fraction form
    13,489.26/20,236.29 = 4,129.10/x
  3. Step 3: Cross multiply
    13,489.26x = 20,236.29 × 4,129.10
  4. Step 4: Simplify right side
    13,489.26x = 83,557,665.04
  5. Step 5: Solve for x
    x = 83,557,665.04/13,489.26
  6. Step 6: Final answer
    x = 6,194.38

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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.