Home / 13,489.41-20,233.40-4,129.44

Finding the Fourth Proportional to 13,489.41, 20,233.40 and 4,129.44

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Solution

The fourth proportional to 13,489.41, 20,233.40 and 4,129.44 is: 6,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.41 : 20,233.40 = 4,129.44 : x
  2. Step 2: Convert to fraction form
    13,489.41/20,233.40 = 4,129.44/x
  3. Step 3: Cross multiply
    13,489.41x = 20,233.40 × 4,129.44
  4. Step 4: Simplify right side
    13,489.41x = 83,552,489.48
  5. Step 5: Solve for x
    x = 83,552,489.48/13,489.41
  6. Step 6: Final answer
    x = 6,193.93

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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.