Home / 13,611.18-20,414.79-4,249.02

Finding the Fourth Proportional to 13,611.18, 20,414.79 and 4,249.02

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Solution

The fourth proportional to 13,611.18, 20,414.79 and 4,249.02 is: 6,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.18 : 20,414.79 = 4,249.02 : x
  2. Step 2: Convert to fraction form
    13,611.18/20,414.79 = 4,249.02/x
  3. Step 3: Cross multiply
    13,611.18x = 20,414.79 × 4,249.02
  4. Step 4: Simplify right side
    13,611.18x = 86,742,851.01
  5. Step 5: Solve for x
    x = 86,742,851.01/13,611.18
  6. Step 6: Final answer
    x = 6,372.91

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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.